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APOD: 2019 March 22 - A Symphony in Northern Winter Skies
Despite the cold, a chance to view the shimmering northern lights coaxed this skygazer onto the frozen surface of Lake Superior on the west coast of the Keweenaw Peninusla and offered this nocturnal crescendo as a reward. A northern late winter night sky also plays across the panoramic composition of images made between 10pm and 1am on the night of February 28/March 1. At left, a faint band of Zodiacal light rises sharply from the horizon crossing Mars and the Pleides star cluster. Both the distant galaxy M31 and our own Milky Way shine above the greenish auroral arc. Navigational north pole star Polaris is centered above and accompanied on the right by the northern night's most recognizable asterism, the Big Dipper. Terrestrial lights include markers for two breakwaters on the the horizon near the center of the scene. via NASA
IFTTT  NASA  APOD 
38 minutes ago by PowerSchill
The Saga of a Stranded Space Station Supercomputer
Spaceborne Computer

"they are what contracting wonks call commercial off-the-shelf (or COTS)"

customer replaceable units (CRUs)
ISS  supercomputer  radiation  Sun  PopularMechanics  JoePappalardo  HP  SpaceX  NASA  power  programming  server  deepspace 
yesterday by cosmic
APOD: 2019 March 20 - Equinox on Planet Earth
Welcome to an equinox on planet Earth. Today is the first day of spring in our fair planet's northern hemisphere, fall in the southern hemisphere, with day and night nearly equal around the globe. At an equinox Earth's terminator, the dividing line between day and night, connects the planet's north and south poles as seen at the start of this remarkable time-lapse video compressing an entire year into twelve seconds. To make it, the Meteosat satellite recorded these infrared images every day at the same local time from a geosynchronous orbit. The video actually starts at the September 2010 equinox with the terminator aligned vertically. As the Earth revolves around the Sun, the terminator tilts to provide less daily sunlight to the northern hemisphere, reaching the solstice and northern hemisphere winter at the maximum tilt. As the year continues, the terminator tilts back again and March 2011 equinox arrives halfway through the video. Then the terminator swings past vertical the other way, reaching the the June 2011 solstice and the beginning of northern summer. The video ends as the September equinox returns. via NASA
IFTTT  NASA  APOD 
2 days ago by PowerSchill
Apollo Press Kits
"Press kits prepared by the public relations staff at the major contractors for the Apollo 11 mission provided valuable additional information not found in NASA issued news releases.... Now, in honor of the 50th anniversary of the Apollo 11 mission, I've digitized my collection to make it available to scholars, marketers, Apollo buffs, and fans of graphic design."
space  nasa  presskit  graphicdesign  history 
2 days ago by warnick
Twitter
Abell 370: Galaxy Cluster Gravitational Lens
space  nasa  autotweet  from twitter
3 days ago by kexrex
apod.nasa.gov
The dark Horsehead Nebula and the glowing Orion Nebula are contrasting cosmic vistas. Adrift 1,500 light-years away in one of the night sky's most recognizable constellations, they appear in opposite corners of the above stunning two-panel mosaic. The familiar Horsehead nebula appears as a dark cloud on the lower left, a small silhouette notched against the glow of hydrogen (alpha) gas, here tinted orange. Alnitak is the easternmost star in Orion's belt and can be found to the left of the Horsehead. Below Alnitak is the Flame Nebula, with clouds of bright emission and dramatic dark dust lanes. The magnificent emission region, the Orion Nebula (aka M42), lies at the upper right, surrounded by the blue glow of reflecting dust. Immediately to its left is a prominent reflection nebula sometimes called the Running Man. Pervasive tendrils of glowing hydrogen gas are easily traced throughout the region. via NASA
IFTTT  NASA  APOD 
4 days ago by PowerSchill
NASA in the South Symposium
NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.
ctm  amex  NASA  space  racism  AfricanAmerican 
4 days ago by minorjive

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