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A Clear View of Scottish Highlands
NASA  from twitter_favs
7 hours ago by jwtulp
APOD: 2018 April 23 - The Blue Horsehead Nebula in Infrared
The Blue Horsehead Nebula looks quite different in infrared light. In visible light, the reflecting dust of the nebula appears blue and shaped like a horse's head. In infrared light, however, a complex labyrinth of filaments, caverns, and cocoons of glowing dust and gas emerges, making it hard to even identify the equine icon. The featured image of the nebula was created in three infrared colors (R=22, G=12, B=4.6 microns) from data taken by NASA's orbiting Wide Field Infrared Survey Explorer (WISE) spacecraft. The nebula is cataloged as IC 4592 and spans about 40 light years, lying about 400 light years away toward the constellation Scorpius along the plane of our Milky Way Galaxy. IC 4592 is fainter but covers an angularly greater region than the better known Horsehead Nebula of Orion. The star that predominantly illuminates and heats the dust is Nu Scorpii, visible as the yellow star left of center. via NASA
16 hours ago by PowerSchill
The Blue Horsehead Nebula in Infrared
nasa  autotweet  space  from twitter
16 hours ago by kexrex
APOD: 2018 April 22 - Meteor Over Crater Lake
Did you see it? One of the more common questions during a meteor shower occurs because the time it takes for a meteor to flash is typically less than the time it takes for a head to turn. Possibly, though, the glory of seeing bright meteors shoot across and knowing that they were once small granules on another world might make it all worthwhile, even if your observing partner(s) could not share in every particular experience. Peaking late tonight, a dark sky should enable the Lyrids meteor shower to exhibit as many as 20 visible meteors per hour from some locations. In the featured composite of nine exposures taken during the 2012 shower, a bright Lyrid meteor streaks above picturesque Crater Lake in Oregon, USA. Snow covers the foreground, while the majestic central band of our home galaxy arches well behind the serene lake. Other meteor showers this year -- and every year -- include the Perseids in mid-August and the Leonids in mid-November. via NASA
yesterday by PowerSchill
'It's about expanding Earth': could we build cities in space? | Science | The Guardian
Meet the startup hoping to colonise the final frontier, one zero-gravity 3D printer at a time
space  nasa 
2 days ago by tonys
Favorite: Lagoon Nebula, by NASA Goddard Photo and Video
IFTTT  Flickr  nasa  hubble  nebula  star  space 
2 days ago by pauljacobson
NASA's Transiting Exoplanet Survey Satellite (TESS) began its search for planets orbiting other stars by leaving planet Earth on April 18. The exoplanet hunter rode to orbit on top of a Falcon 9 rocket. The Falcon 9 is so designated for its 9 Merlin first stage engines seen in this sound-activated camera close-up from Space Launch Complex 40 at Cape Canaveral Air Force Station. In the coming weeks, TESS will use a series of thruster burns to boost it into a high-Earth, highly elliptical orbit. A lunar gravity assist maneuver will allow it to reach a previously untried stable orbit with half the orbital period of the Moon and a maximum distance from Earth of about 373,000 kilometers (232,000 miles). From there, TESS will carry out a two year survey to search for planets around the brightest and closest stars in the sky. via NASA
2 days ago by PowerSchill
RT : [Blog] Le chasseur d'exoplanètes va, après quelques acrobaties orbitales, entamer une extraordinaire mi…
NASA  TESS  from twitter
3 days ago by colinux

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