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NASA
One of our Mars orbiters captured views of Sunday's rare #MarsComet flyby: go.nasa.gov/1onPJgJ @HiRISE pic.twitter.com/l9Rmr7Uzpq
New #NASASocial! Come out to @NASAArmstrong in CA & learn how we're with you when you fly: go.nasa.gov/1onM2rh pic.twitter.com/E3znozSyxk
What did the rare #MarsComet look like from the Martian surface? @MarsRovers captured it! nasa.gov/jpl/mer/nasa-r… pic.twitter.com/oD0yf5tS2b
Partial solar eclipse at sunset! The moon will pass in front of the sun Thursday: [video] youtu.be/1Rcf_QNaXK0 pic.twitter.com/UkWVA1JqUi
Look out for the Black Widow Nebula! This "spider" lurks in the dust, but is revealed in the infrared: www.spitzer.caltech.edu/images/2385-sig05-020-Black-Widow-Nebula-Hiding-in-the-Dust Credit: NASA/JPL-Caltech/E. Churchwell (University of Wisconsin-Madison) and the GLIMPSE Team #nofilter
Solar flare surges off the sun Oct 19. Details on the X-class flare: go.nasa.gov/1wjNXMD @NASASunEarth pic.twitter.com/yojDij4vNG
That’s not the Sun, it’s the #Moon setting on a gorgeous night. #SpaceVine #Timelapse vine.co/v/Obpqxvvxbie
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The San Joaquin Valley in #California – completely obvious from up here. pic.twitter.com/SjjNnAkuCn
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All 3 Mars orbiters confirmed healthy after taking shelter behind Mars for #MarsComet: nasa.gov/jpl/all-three-… pic.twitter.com/atra8M7012
Mars Odyssey, the longest-lived orbiter at Mars, also reports back in good health after today's #MarsComet flyby. jpl.nasa.gov/news/news.php?…
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Data from @MAVEN2Mars show it to be in good health after #MarsComet flyby. Waiting on data from Mars Odyssey next. mars.nasa.gov/news/whatsnew/…
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MRO w/ @HiRISE phones home. All is well after #MarsComet flyby. Waiting for next two. mars.nasa.gov/news/whatsnew/…
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#MarsComet flyby not over yet. Mars passes thru dust tail at 12:57pm PT while orbiters #duckandcover on far side. pic.twitter.com/GxeeXYjVz4
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Mars Odyssey hard at work now to image #MarsComet Siding Spring, after closest approach & before dust tail hits. youtu.be/xgyN7XvZY0o
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Tune in NOW! RT @esa: Live #SidingSpring #MarsComet webcast from Mars Express control room starts 19:50CEST/17:50GMT livestream.com/eurospaceagency
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Webcast from Mars Express control room #MarsComet #SidingSpring starts at 1:50pm ET today: livestream.com/eurospaceagency pic.twitter.com/QbjHbUAdPC
Our fleet of science assets have front row seats to image & study #MarsComet flyby today: go.nasa.gov/1whxAA6 pic.twitter.com/0jYtEJOc64
#MarsComet #SidingSpring will pass ~87K miles of Mars today. Closest approach ~2:27pm ET: go.nasa.gov/1whwrbQ pic.twitter.com/EbBE9Ul8ps
#MarsComet will pass within 88K miles of Mars Sunday. Watch how we're observing the event: youtu.be/FG4KsatjFeI pic.twitter.com/s02yh3DO5L
Like a drop of dew hanging on a leaf, the moon Tethys appears to be stuck to Saturn's rings from this perspective. pic.twitter.com/RuS5HDqqWS
Expanding coronal loops at the edge of the sun. Perspective? Loops are more than 15 times the size of Earth. pic.twitter.com/U37JsjQXgI
What's our new cover image? Artist concept of #MarsComet. Closest approach ~2:27pm ET Sunday: go.nasa.gov/1t0Eb3W pic.twitter.com/C0BTwfF9AJ
#Seattle to #Houston under a full moon. Watch the reflection spot track across in this #SpaceVine #Timelapse vine.co/v/ObZYKjtj1lA
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Watch & discover what happened this week @NASA: [video] youtu.be/cOGNsTd4cb4 pic.twitter.com/BmcDvfjvbz
A hidden ocean or a 'fossil' core on Saturn icy moon Mimas? Details: go.nasa.gov/1CxKDiE @CassiniSaturn pic.twitter.com/xH1vV3FR6h
#Sunglint highlights the entire east coast of the #USA on a gorgeous Friday afternoon. pic.twitter.com/vj7MrPx0EO
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ATTENTION EARTHLINGS! Third Rock Radio is now streaming in both 128kbps MP3 & 64kbps AAC format crystal clear stereo. pic.twitter.com/BYFyhoc3d4
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#Spacewalks are all the rage this month on @Space_Station. Watch our weekly #ISS update: youtu.be/isEGcax2YSQ Question? Use #SpaceToGround
Scary Halloween ghoul, or star-forming region in infrared? More info: bit.ly/1sxpS45 (More seasonal posts to come!) #nofilter #space #halloween #astronomy #nasa #nasagram #spacegram #infrared #Spitzer #telescope Credit: NASA/JPL-Caltech/S.Carey (Caltech)
Retro-propulsion data may help us with future Mars landings: 1.usa.gov/1voaUQq #321TechOff #JourneyToMars pic.twitter.com/x71Tzb5HQa
Join @NASAedu for a chat today at 1pm ET at 1.usa.gov/1pkgy05 to learn how to help us study clouds. pic.twitter.com/SwUWci6zps
Two spacewalks down, one to go for @Space_Station crew: go.nasa.gov/1CtxdUN  Next spacewalk Weds at 9:24am ET. pic.twitter.com/1BOJnB5TI0
We’re back flying over Antarctica, seeing how the ice is changing: go.nasa.gov/1yIJlUu #EarthRightNow @NASA_ICE pic.twitter.com/R1bCwbimm7
Bathed in a beam of particles from Saturn's chaotically tumbling moon Hyperion: go.nasa.gov/1CsgAsN @CassiniSaturn pic.twitter.com/zdR0YSSiqH
We spotted an extremely distant galaxy through a cosmic magnifying glass: go.nasa.gov/1yHTxwq @NASA_Hubble pic.twitter.com/nrGxxuYkN4
Hear us! We're on @SoundCloud. Sit back, listen & enjoy our spacey sounds: soundcloud.com/nasa soundcloud.com/nasa/apollo-11…
#throwbackthursday to May, when #JWST's flight instrument module went into @nasagoddard's cryogenic test chamber. It's back in our cleanroom today! #tbt #space #nasa #tech #nasagram #spacegram More info: www.flickr.com/photos/nasawebbtelescope/14898415035/in/set-72157629134274763 Image cre
#ThrowbackThursday to when the universe was young! (Within a few hundred million years of the big bang!) #tbt Previously, the Hubble Ultra Deep Field showed visible and near-infrared light - this image adds ultraviolet coverage to the HUDF. In this image are approximately 10,000 galaxies, extending
Our newest sun-watcher, IRIS, helps explain heating of the solar atmosphere: go.nasa.gov/1CrDAbs  @NASASunEarth pic.twitter.com/lyqUD6xsYM
Gas problem? So does the Earth. Watch our latest 'Earth Minute' video: youtu.be/K9kga9c0u2I pic.twitter.com/iiFYRUPD8v
Well-defined eye seen on Hurricane Gonzalo as it moves towards Bermuda: bit.ly/1CqYJm5 pic.twitter.com/maR8esyv71
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.@NASA_ICE's Operation #IceBridge has studied sea ice on Earth for five years: 1.usa.gov/1nqxPcp pic.twitter.com/sPfS2zurif