lehmannro + universe   117

STEVE the Purple Beam of Light Is Not An Aurora After All | Smart News | Smithsonian
STEVE—the name given to strange purple ribbons of light that seem to accompany auroras—is weirder than we thought, a new study suggests.
ecology  universe 
8 weeks ago by lehmannro
Astronomers discover a nearby free-range planet with incredible magnetism | Astronomy.com
A bizarre rogue planet without a star is roaming the Milky Way just 20 light-years from the Sun. And according to a recently published study in The Astrophysical Journal, this strange, nomadic world has an incredibly powerful magnetic field that is some 4 million times stronger than Earth’s. Furthermore, it generates spectacular auroras that would put our own northern lights to shame.

The new observations, made with the National Science Foundation’s Karl G. Jansky Very Large Array (VLA), not only are the first radio observations of a planetary-mass object beyond our solar system, but also mark the first time researchers have measured the magnetic field of such a body.
universe 
11 weeks ago by lehmannro
Astronauts explain why humans haven't returned to the moon in decades - Business Insider
The last time a person visited the moon was in December 1972, during NASA's Apollo 17 mission.
Over the decades, NASA planned to send people back to the moon but has yet to succeed.
Astronauts often say the biggest reasons why humans haven't returned to the lunar surface are budgetary and political hurdles — not scientific or technical challenges.
Private companies like Blue Origin or SpaceX may be the first entities to return people to the moon.
universe  politics  transportation 
july 2018 by lehmannro
Quartz: We may have answered the Fermi Paradox: We are alone in the universe
Alien life should be everywhere. The sheer abundance of stars in the universe (the number far outstrips the total number of grains of sand on every beach on Earth) suggests that, somewhere, an intelligent lifeform should be warming itself on a distant planet. Even if life evolves rarely, ET should be phoning us.

Yet, by all appearances, humanity seems to be flying solo in our galaxy, and perhaps the universe. Many solutions have been proposed to solve this riddle, known as the Fermi Paradox. The aliens are hiding. They’ve entered suspended animation until more propitious conditions arise. A Great Filter makes the leap from “life “to “intelligent life” improbable, if not impossible. They’ve blown themselves up.
universe  biology 
june 2018 by lehmannro
A controversial scientific study suggests octopuses came from outer space — Quartz
Octopuses are strange, smart creatures that certainly seem alien—what with the tentacles, camouflage, and shape-shifting skills. Still, the idea that they actually came from outer space would seem to fall strictly into the realm of sci-fi; an update of HP Lovecraft’s Cthulhu, say.

But in these interesting times, real life reads like fiction. Recently, a group of 33 scientists worldwide—including molecular immunologist Edward Steele and astrobiologist Chandra Wickramasinghe—published a paper suggesting, in all seriousness, that octopuses may indeed be aliens.

The paper, published in the March issue of the the journal Progress in Biophysics and Molecular Biology, is controversial, obviously, and the vast majority of scientists would disagree. But the paper is still worthy of discussion—for one, as a thought exercise, because outlandish ideas are often initially rejected. And in provoking us with seemingly bizarre theories, it forces us to acknowledge that there are aspects of life on Earth for which classic evolutionary theory as yet has no explanation.
biology  universe 
may 2018 by lehmannro
FCC Accuses Stealthy Startup of Launching Rogue Satellites - IEEE Spectrum
On 12 January, a Polar Satellite Launch Vehicle (PSLV) rocket blasted off from India’s eastern coast. While its primary cargo was a large Indian mapping satellite, dozens of secondary CubeSats from other countries travelled along with it.

Also on board were four small satellites that probably should not have been there. SpaceBee-1, 2, 3, and 4 were briefly described by the Indian space agency ISRO as “two-way satellite communications and data relay” devices from the United States. No operator was specified, and only ISRO publicly noted that they successfully reached orbit the same day.

IEEE Spectrum can reveal that the SpaceBees are almost certainly the first spacecraft from a Silicon Valley startup called Swarm Technologies, currently still in stealth mode. Swarm was founded in 2016 by one engineer who developed a spacecraft concept for Google and another who sold his previous company to Apple. The SpaceBees were built as technology demonstrators for a new space-based Internet of Things communications network.
universe  transportation  crime 
march 2018 by lehmannro
It’s official: no one is going to win the Google Lunar X Prize competition
No one is going to win the X Prize Foundation’s competition to send a spacecraft to the Moon, the foundation announced today. Only five finalists remained in the Google-sponsored Lunar X Prize competition, and in order to win any grand prize money, the teams had to launch and complete their missions to the Moon before March 31st, 2018. But with only two months until the deadline, no team is ready to launch, so Google will keep the prize money instead.
universe  contest 
january 2018 by lehmannro
Universe shouldn’t exist, CERN physicists conclude | Cosmos
One of the great mysteries of modern physics is why antimatter did not destroy the universe at the beginning of time.

To explain it, physicists suppose there must be some difference between matter and antimatter – apart from electric charge. Whatever that difference is, it’s not in their magnetism, it seems.

Physicists at CERN in Switzerland have made the most precise measurement ever of the magnetic moment of an anti-proton – a number that measures how a particle reacts to magnetic force – and found it to be exactly the same as that of the proton but with opposite sign.
universe  physics 
october 2017 by lehmannro
NASA finally admits it doesn’t have the funding to land humans on Mars | Ars Technica
For the last five years or so, NASA has sold the public on a Journey to Mars, a grand voyage by which the agency will land humans on the red planet during the 2030s. With just budgetary increases for inflation, the agency said, it had the resources for humanity's next great step, to land crews safely on Mars, and to bring them home. The agency's new rocket, the Space Launch System, and spacecraft, Orion, were sold by NASA administrator Charles Bolden as the vehicles that would get the job done.
universe  usa 
october 2017 by lehmannro
Implication of our technological species being first and early
According to the Principle of Mediocrity, a cornerstone of modern cosmology, in the absence of any evidence to the contrary, we should believe that we are a typical member of an appropriately chosen reference class. If we assume that this principle applies to the reference class of all extant technological species, then it follows that other technological species will, like us, typically find that they are both the first such species to evolve on their planet and also that they are early in their potential technological evolution. Here we argue that this suggests that the typical technological species becomes extinct soon after attaining a modern technology and that this event results in the extinction of the planet's global biosphere.
universe 
august 2017 by lehmannro
Why Astronauts Were Banned From Drinking Wine In Outer Space
The story behind NASA's brief embrace of extraterrestrial sherry is a curious one. In the early seventies, the agency's focus was shifting from short, Moon-focused missions to the possibility of longer-term inhabitation of space. A revamped menu was among the most pressing challenges: food on the Gemini and Apollo programs came in dehydrated cube form, or squeezed from a pouch, and was universally regarded as inedible.

According to Ben Evan's book, At Home in Space: The Late Seventies into the Eighties, in May 1969, Don Arabian, NASA's spacecraft project manager, tried living on Apollo fare for three consecutive days, and subsequently reported that he had "lost the will to live" and that, in particular, "the sausage patties tasted like granulated rubber."
universe  biology 
march 2017 by lehmannro
Possible earthlike planet found in the Goldilocks zone of a nearby star! | Bad A...
Astronomers have announced the discovery of a planet with about three times the Earth’s mass orbiting the nearby red dwarf star Gliese 581. That in itself is cool news; a planet like that is very hard to detect.
universe 
february 2017 by lehmannro
The Sun - The Big Picture - Boston.com
The Sun is now in the quietest phase of its 11-year activity cycle, the solar minimum. Scientists are unsure of the significance of this unusual calm, but are continually monitoring our closest star with an array of telescopes and satellites. Seen below are some recent images of the Sun in more active times.
Bookmarks  universe  graphics 
february 2017 by lehmannro
Cosmic strings are super-massive, ultra-thin cracks in the universe
Cosmic strings are theoretical fault lines in the universe, defective links between different regions of space created in the moments after the Big Bang. And they might be theoretical no longer - distant quasars show the fingerprints of these strings.
physics  universe 
february 2017 by lehmannro
DailyTech - Sun Makes History: First Spotless Month in a Century
The sun has reached a milestone not seen for nearly 100 years: an entire month has passed without a single visible sunspot being noted.
Bookmarks  history  universe 
february 2017 by lehmannro
The New Planetary Habitability Index | Popular Science
Astronomers often estimate the habitability of extrasolar planets and moons based mostly on their temperatures and distance from the nearest star. A team of astrobiologists has now proposed a rubric that includes four groups of variables, each of which is weighted by its importance to sustaining life.
universe 
february 2017 by lehmannro
BBC NEWS | Science/Nature | Black hole star mystery 'solved'
Astronomers have shed light on how stars can form around a massive black hole, defying conventional wisdom.
Bookmarks  universe  physics 
february 2017 by lehmannro
Einstein was right: Unique stellar system provides 'laboratory' for testing rela...
Researchers at McGill University's Department of Physics – along with colleagues from several countries – have confirmed a long-held prediction of Albert Einstein's theory of general relativity, via observations of a binary-pulsar star system. Their results will be published July 3 in the journal Science.
Bookmarks  physics  universe 
february 2017 by lehmannro
Technology Review: Where Are They?
People got very excited in 2004 when NASA's rover Opportunity discovered evidence that Mars had once been wet. Where there is water, there may be life. After more than 40 years of human exploration, culminating in the ongoing Mars Exploration Rover mission, scientists are planning still more missions to study the planet.
Bookmarks  universe 
february 2017 by lehmannro
Planetary Resources – The Asteroid Mining Company – Mission
There are near-limitless numbers of asteroids and more being discovered every year. More than 1,500 are as easy to reach as the Moon and are in similar orbits as Earth. Asteroids are filled with precious resources, everything from water to platinum. Harnessing valuable minerals from a practically infinite source will provide stability on Earth, increase humanity’s prosperity, and help establish and maintain human presence in space.
universe  business 
february 2017 by lehmannro
More Spacecraft Velocity Anomalies -- Physics News Update 857
A new look at the trajectories for various spacecraft as they fly past the Earth finds in each case a tiny amount of surplus velocity. For craft that pursue a path mostly symmetrical with respect to the equator, the effect is minimal.
Bookmarks  physics  universe 
february 2017 by lehmannro
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As 40 years have passed since Gagarin’s flight, new sensational details of this event were disclosed: Gagarin was not the first man to fly to space. Three Soviet pilots died in attempts to conquer space before Gagarin's famous space flight
Bookmarks  universe  history 
february 2017 by lehmannro
Bad Astronomy Blog » No alien signal
OK folks, nothing to see here. I talked with my buddy Seth Shostak, who is a Senior SETI astronomer, and he told me that this whole alien signal thing is a big misunderstanding on the part of the KTVU reporter.
Bookmarks  universe 
february 2017 by lehmannro
mpml : Message: Re: {MPML} Big bolide = 8TA9D69
The point of impact, assuming no atmospheric interaction, is at 21N, 33E, in northern Sudan at 2:47 UT. The approach is from the northwest, so northern Africa and perhaps southern Europe could see a spectacular reentry.
Bookmarks  universe 
february 2017 by lehmannro
Commercial Asteroid Hunters announce plans for new Robotic Exploration Fleet
Deep Space Industries announced today that it will send a fleet of asteroid-prospecting spacecraft out into the solar system to hunt for resources to accelerate space development to benefit Earth. These “FireFly” spacecraft utilize low-cost cubesat components and get discounted delivery to space by ride-sharing on the launch of larger communications satellites.
universe  business 
february 2017 by lehmannro
Google Gets Exclusive Rights To Your Pants: Google Military-Controlled Satellite...
According to the company, the GeoEye-1 satellite is the highest resolution commercial satellite orbiting the planet right now. It reached orbit yesterday, but in reality, it's not an ordinary commercial satellite: it's fully controlled by the Department of Defense's U.S. National Geospatial-Intelligence Agency. And two guys named Larry and Sergei.
Bookmarks  google  universe 
february 2017 by lehmannro
The Arms Race in Space May Be On - New York Times
IT doesn’t take much imagination to realize how badly war in space could unfold. An enemy — say, China in a confrontation over Taiwan, or Iran staring down America over the Iranian nuclear program — could knock out the American satellite system in a barrage of antisatellite weapons, instantly paralyzing American troops, planes and ships around the world.
Bookmarks  universe 
february 2017 by lehmannro
China astronauts return home to hero's welcome | theage.com.au
Three astronauts whose mission included China's first-ever space walk landed safely back on Chinese soil yesterday, state media reported.
Bookmarks  china  universe  transportation 
february 2017 by lehmannro
Four Decades After It Landed on the Red Planet, Mars 3 Found « AmericaSpace
On May 28, 1971, the Soviet Mars 3 spacecraft blasted off from Baikonur atop a Proton-K rocket, just nine days after its sister probe Mars 2. Each consisted of a lander and an orbiter. At 09:14 UT (Universal Time), on Dec. 2, 1971, the Mars 3 descent module separated from the orbiter and began a four-and-a-half-hour journey to the surface of the Red Planet.
russia  universe 
february 2017 by lehmannro
Build Your Own NASA Apollo Landing Computer (no kidding)
Would you like to own the computer Neil Armstrong used to land on the moon in 1969? Well, that's possible now, because a geek named John Pultorak created a working reproduction of the Apollo Guidance Computer (AGC), wrote a complete manual that will allow you to build your own Apollo flight computer clone and released it in the puclic domain. Well, I think that's just incredible!
Bookmarks  universe  hardware 
february 2017 by lehmannro
Satellite Spotters Glimpse Secrets, and Tell Them - New York Times
When the government announced last month that a top-secret spy satellite would, in the next few months, come falling out of the sky, American officials said there was little risk to people because satellites fall out of orbit fairly frequently and much of the planet is covered by oceans.
Bookmarks  universe  security 
february 2017 by lehmannro
BBC NEWS | Science/Nature | Cosmic crash unmasks dark matter
Striking evidence has been found for the enigmatic "stuff" called dark matter which makes up 23% of the Universe, yet is invisible to our eyes.
Bookmarks  universe  physics 
february 2017 by lehmannro
Strange Galaxy Falling into Virgo Cluster at 1,000 KPS Reveals an Unknown Star F...
IC 3418 is a small galaxy falling into the Virgo cluster of galaxies (above) at such a high speed (a thousand kilometers per second) that its blanket of cool gas strips off. As it passed through the cluster, its stripped-off cool gas formed a 55,500 light-years-long trail that looks very much like the water vapour condensation trail from a supersonic jet's path.
universe 
february 2017 by lehmannro
Astronomers get best view yet of infant stars at feeding time | Eureka! Science ...
Astronomers have used ESO's Very Large Telescope Interferometer to conduct the first high resolution survey that combines spectroscopy and interferometry on intermediate-mass infant stars.
Bookmarks  universe 
february 2017 by lehmannro
Technology Review: Blogs: arXiv blog: How To Destroy A Black Hole
The event horizon is somewhat of a disappointment to many astrophysicists because the interesting physics, the stuff beyond the known laws of the universe, all occurs inside it and is therefore hidden from us.
physics  universe 
february 2017 by lehmannro
Do We Live in a Giant Cosmic Bubble? | LiveScience
Earth may be trapped in an abnormal bubble of space-time that is particularly void of matter. Scientists say this condition could account for the apparent acceleration of the universe's expansion, for which dark energy currently is the leading explanation.
Bookmarks  universe 
february 2017 by lehmannro
Is the Universe Actually Made of Math? | Math | DISCOVER Magazine
Unconventional cosmologist Max Tegmark says mathematical formulas create reality.
Bookmarks  math  universe 
february 2017 by lehmannro
Black holes should be redefined, says Stephen Hawking in new paper | The Verge
Black holes don't actually exist in the way we traditionally think of them, renowned physicist Stephen Hawking has proposed in a short but potentially revolutionary paper.
universe  science 
february 2017 by lehmannro
APOD: 2008 February 18 - BLG 109: A Distant Version of our own Solar System
How common are planetary systems like our own? Perhaps quite common, as the first system of planets like our own Solar System has been discovered using a newly adapted technique that, so far, has probed only six planetary systems. The technique, called gravitational microlensing, looks for telling brightness changes in measured starlight when a foreground star with planets chances almost directly in front of a more distant star.
Bookmarks  universe  physics 
february 2017 by lehmannro
Hacker News | Project Longshot: 100 Year probe mission to Alpha Centauri
How far has the automobile industry advanced in the last 100 years? Four wheels, petrol engine. Personally I'm still waiting for my flying car.
Bookmarks  transportation  universe 
february 2017 by lehmannro
Our world may be a giant hologram - space - 15 January 2009 - New Scientist
The idea that we live in a hologram probably sounds absurd, but it is a natural extension of our best understanding of black holes, and something with a pretty firm theoretical footing. It has also been surprisingly helpful for physicists wrestling with theories of how the universe works at its most fundamental level.
Bookmarks  physics  universe 
february 2017 by lehmannro
The Software Behind the Mars Phoenix Lander | O'Reilly News
The Mars Phoenix Lander Mission is a short-term mission to Mars to search for signs of water and a potential habitable site for an eventual manned mission to the Red Planet. This mission is a collaboration between NASA and the University of Arizona Lunar and Planetary Laboratory. Sending hundreds of pounds of equipment millions of miles through space to land and operate independently from direct control presents several interesting software development challenges. O'Reilly News recently discussed the project and its technology with NASA's Peter Gluck.
Bookmarks  development  universe  hardware 
february 2017 by lehmannro
60,000+ Documented UFO Sightings With Text Descriptions And Metadata data set | ...
Search UFO data across more than 60,000 accounts of UFO sightings, including detailed eye-witness descriptions, location, date reported and sighted, duration and shape. The data comes from the National UFO Reporting Center.
universe 
february 2017 by lehmannro
Local transit times | Venustransit
Planetary transits start when the planet’s disk is externally tangent with the sun (ingress, exterior). From then, the planet may be discerened as a little black dent in the solar limb, gradually growing bigger until the entire planet is seen on the solar disk (ingress, interior). During the next five to six hours, the planet will traverse the sun’s disk until the planet’s disk will touch the opposite solar limb (egress, interior). The transit ends when the planet’s disk is externally tangent with the sun (egress, exterior).
universe 
february 2017 by lehmannro
[astro-ph/0610926] The Astrobiology Primer: An Outline of General Knowledge - Ve...
The Astrobiology Primer has been created as a reference tool for those who are interested in the interdisciplinary field of astrobiology. The field incorporates many diverse research endeavors, but it is our hope that this slim volume will present the reader with all he or she needs to know to become involved and to understand, at least at a fundamental level, the state of the art. Because of the great diversity of material, each section was written by a different author with a different expertise. The Primer was constructed collaboratively. Ninety researchers from around the world contributed information with regard to what they expected from other astrobiologists and what they would like to know themselves but still had difficulty understanding (see Contributors).
universe  science 
february 2017 by lehmannro
Japanese satellite Hinode discovers two huge holes in sun's magnetic field | New...
A JAPANESE satellite has captured images showing two huge holes in the Sun's outer atmosphere, the solar corona, which are blasting solar material into space.
universe 
february 2017 by lehmannro
BBC NEWS | Science/Nature | Hints of 'time before Big Bang'
A team of physicists has claimed that our view of the early Universe may contain the signature of a time before the Big Bang.
Bookmarks  physics  universe 
february 2017 by lehmannro
Jupiter loses a stripe - space - 11 May 2010 - New Scientist
Jupiter has lost one of its prominent stripes, leaving its southern half looking unusually blank. Scientists are not sure what triggered the disappearance of the band.
universe 
february 2017 by lehmannro
Warp drive may actually be possible, NASA scientist says | ksl.com
The coolest part of much science fiction, especially space operas like Star Wars and Star Trek, is the fact that they have hyperdrives and (the much nerdier) warp drives. They can blast through space faster than the universal speed limit. Well, real-life warp drives may be a lot more feasible than we initially thought. Scientists are already preparing for experiments.
universe  transportation 
february 2017 by lehmannro
Every Black Hole Contains a New Universe | Inside Science
Our universe may exist inside a black hole. This may sound strange, but it could actually be the best explanation of how the universe began, and what we observe today. It's a theory that has been explored over the past few decades by a small group of physicists including myself.
physics  universe 
february 2017 by lehmannro
Has E.T. Made A Call? - News Story - KTVU San Francisco
Across the globe, researchers searching for signs of life in space were abuzz this week with word that a mystery signal has been picked up by a giant radio-telescope in Puerto Rico. Now the dilemma is -- how do you answer it?
Bookmarks  universe 
february 2017 by lehmannro
Paper airplane to fly from space to Earth - Space- msnbc.com
Japanese scientists and origami masters hope to launch a paper airplane from space and learn from its trip back to Earth.
Bookmarks  universe  transportation 
february 2017 by lehmannro
Total Lunar Eclipse, February 20-21, 2008
On February 21, 2008 (starting February 20 in the Americas), the full Moon will pass through the Earth's shadow, producing a total lunar eclipse for skywatchers throughout Europe, Africa and the Americas.
Bookmarks  universe 
february 2017 by lehmannro
Explore – The definitive photograph of Earth – unlike NASA’s...
The definitive photograph of Earth – unlike NASA’s iconic “Blue Marble,” a composite of many different images, this portrait by the European Space Agency consists of a single shot and is the highest-resolution image of our planet, at 121 megapixels, or 0.62 miles per pixel.
universe  geography  photography 
february 2017 by lehmannro
APOD: 2008 July 16 - Makemake of the Outer Solar System
Recently discovered Makemake is one of the largest objects known in the outer Solar System. Pronounced MAH-kay MAH-kay, this Kuiper belt object is only slightly smaller than Pluto, orbits the Sun only slightly further out than Pluto, and appears only slightly dimmer than Pluto.
Bookmarks  universe 
february 2017 by lehmannro
Recently Discovered Habitable World May Not Exist - ScienceNOW
Two weeks ago, U.S.-based astronomers announced the discovery of the first Goldilocks planet circling another star: just the right size and just the right temperature to harbor alien life. But yesterday at an exoplanet meeting in Turin, Italy, Switzerland-based astronomers announced that they could find no trace of the prized planet in their observations of the same planetary system.
universe 
february 2017 by lehmannro
Gauging Age of Universe Becomes More Precise - New York Times
The universe is 13.73 billion years old, give or take 120 million years, astronomers said last week.
Bookmarks  universe 
february 2017 by lehmannro
Galactic 'spaghetti monster' powered by magnetic fields - space - 20 August 2008...
Long-lived magnetic fields are sustaining a mammoth network of spaghetti-like gas filaments around a black hole, a new study suggests. Previously, it was not clear what prevented the delicate filaments from being destroyed by competing gravitational forces.
Bookmarks  universe 
february 2017 by lehmannro
Out-of-Control Russian Spacecraft Will Fall from Space Overnight Tonight
An out-of-control Russian cargo ship is headed for a destructive plunge into Earth's atmosphere overnight between Thursday and Friday (May 7-8), with satellite watchers around the world trying to pinpoint the exact time and place of the craft's fall from space. The uncrewed Progress 59 spacecraft has been falling to Earth since just after its launch last week on April 28 on a mission to deliver nearly 3 tons of supplies to the International Space Station.
universe  russia 
february 2017 by lehmannro
Basics of Space Flight
Basics of Space Flight is a tutorial designed primarily to help operations people identify the range of concepts associated with deep space missions, and grasp the relationships among them. It also enjoys popularity with college and high-school students and faculty, and people everywhere who are interested in interplanetary space flight. This website attempts to offer a broad scope, but limited depth, as a robust framework to accommodate further training or investigation. Many other resources are available for delving into each of the topics related here; indeed, any one of them can involve a lifelong career of specialization. This module's purpose is met if the participant learns the scope of concepts that apply to interplanetary space exploration, and how the relationships among all of them work.
education  physics  universe 
february 2017 by lehmannro
APOD: 2008 April 19 - Running Messier s Marathon
Gripped by an astronomical spring fever, many northern hemisphere stargazers embark on a Messier Marathon. Completing the marathon requires viewing all 110 objects in 18th century French astronomer Charles Messier's catalog in one glorious dusk-to-dawn observing run.
Bookmarks  universe 
february 2017 by lehmannro
BBC NEWS | Science & Environment | India launches first Moon mission
The unmanned Chandrayaan 1 spacecraft blasted off smoothly from a launch pad in southern Andhra Pradesh to embark on a two-year mission of exploration.
Bookmarks  india  transportation  universe 
february 2017 by lehmannro
NASA Announces Results of Epic Space-Time Experiment - NASA Science
Einstein was right again. There is a space-time vortex around Earth, and its shape precisely matches the predictions of Einstein's theory of gravity.
physics  universe 
february 2017 by lehmannro
drugoi: Байконур: "Энергия" и "Буран"
The last flight of space shuttle Atlantis' landing pictures which, as is usual in such cases, led a discussion in the comments to the record made, nevertheless, to use the newly free time to open the archive folder of photos on the trip KIA Mohave, Kazakhstan , and to show that I saw at the Baikonur cosmodrome, in addition to launch spacecraft Soyuz TMA-16.
mime:russian  photography  transportation  russia  universe 
february 2017 by lehmannro
After Years of Effort, Dark Energy Still Puzzles Scientists - NYTimes.com
Although cosmologists have adopted a cute name, dark energy, for whatever is driving this apparently antigravitational behavior on the part of the universe, nobody claims to understand why it is happening, or its implications for the future of the universe and of the life within it, despite thousands of learned papers, scores of conferences and millions of dollars’ worth of telescope time. It has led some cosmologists to the verge of abandoning their fondest dream: a theory that can account for the universe and everything about it in a single breath.
Bookmarks  physics  universe 
february 2017 by lehmannro
APOD: 2008 February 22 - Eclipsed Moonlight
Moon watchers blessed with clear skies over the Americas, Europe, Africa and western Asia enjoyed a total lunar eclipse this week.
Bookmarks  universe 
february 2017 by lehmannro
Bad Astronomy Blog » Ten things you don’t know about the Milky Way Galaxy
So you’ve lived here all your life — in fact, everyone has — but what do you really know about the Milky Way galaxy? Sure, you know it’s a spiral, and it’s 100,000 light years across. And of course, BABloggees are smarter, more well-read, and better looking than the average population, but be honest: do you know all ten of these things? Really?
Bookmarks  universe 
february 2017 by lehmannro
Heat maps reveal Pac-Man in the moon - Boing Boing
The Cassini spacecraft captured this Pac-Man-shaped heat map of Saturn's moon Mimas during a flyby on Februrary 13. Besides the nostalgia value, the map presents some odd questions. Scientists were expecting gradual heat variations on Mimas—where "hot" means "moderately less ungodly frigid", think -294 compared to -320—but these abrupt cut offs are thoroughly curiosity inducing.
universe 
february 2017 by lehmannro
The BEST LINUX Apps: Stellarium
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It is being used in planetarium projectors. Just set your coordinates and go.
Bookmarks  universe  software 
february 2017 by lehmannro
Private Rockets Could Boost Military, Too | Danger Room from Wired.com
Space Exploration Technologies just put the first privately developed rocket into orbit. That's not only a breakthrough for the space community. It has huge military consequences, too -- if the company can turn the one-time launch into a regular event.
Bookmarks  universe  transportation 
february 2017 by lehmannro
virtualagc - Virtual AGC and AGS emulation - Google Project Hosting
The purpose of this project is to provide an emulation of the on-board Apollo guidance computers, along with some ancillary items needed to make the emulation do something interesting. "AGC" stands for Apollo Guidance Computer. The AGC was the principal on-board computer for NASA's Apollo missions, including all of the lunar landings. Both the Command Module (CM) and the Lunar Module (LM) had AGCs, so two AGCs were used on most of the Apollo missions, but with differing software.
universe  transportation  software  history 
february 2017 by lehmannro
Black holes are the rhythm at the heart of galaxies
The powerful black holes at the center of massive galaxies and galaxy clusters act as hearts to the systems, pumping energy out at regular intervals to regulate the growth of the black holes themselves, as well as star formation.
Bookmarks  universe 
february 2017 by lehmannro
Cosmology in Ten Minutes « Essays by Danielle Fong
I want more than to explain what cosmologists believe. I want give people a deep sense of why we believe it, of how we’ve come to our current understanding, and of why we care.
Bookmarks  universe  physics 
february 2017 by lehmannro
Biggest black hole in the cosmos discovered - space - 10 January 2008 - New Scie...
The most massive known black hole in the universe has been discovered, weighing in with the mass of 18 billion Suns. Observing the orbit of a smaller black hole around this monster has allowed astronomers to test Einstein's theory of general relativity with stronger gravitational fields than ever before.
Bookmarks  physics  universe 
february 2017 by lehmannro
'Space elevator' would take humans into orbit - CNN.com
A new space race is officially under way, and this one should have the sci-fi geeks salivating. Lift to space: This is a Nasa interpretation of what a space elevator may look like. The project is a "space elevator," and some experts now believe that the concept is well within the bounds of possibility -- maybe even within our lifetimes.
Bookmarks  transportation  universe 
february 2017 by lehmannro
India’s lunar mission finds evidence of water on the Moon - Times Online
Dreams of establishing a manned Moon base could become reality within two decades after India’s first lunar mission found evidence of large quantities of water on its surface.
india  universe 
february 2017 by lehmannro
Vega Strike: Main Page
Vega Strike is an Open Source 3D Action-Space-Sim that lets you trade, fight, and explore in a vast universe. Vega Strike is built on top of OpenGL and runs on Win/Lin/Mac platforms. Vega Strike (the game) is currently in a playable state, but both game engine and dataset are under continued development.
Bookmarks  gaming  opensource  universe 
february 2017 by lehmannro
APOD: 2008 March 30 - Weak Lensing Distorts the Universe
Is the distant universe really what it appears to be? Astronomers hope not. Intervening dark matter, which is normally invisible, might show its presence by distorting images originating in the distant universe, much the way an old window distorts images originating on the other side.
Bookmarks  universe  physics 
february 2017 by lehmannro
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