How can you see the atmosphere? The answer is blowing in the wind. via NASA http://ift.tt/2z3kqCD

On November 14, 1971, Mariner ( took this image of a shield volcano on Mars. via NASA http://ift.tt/2zW0Sjy

Can you identify this river? via NASA http://ift.tt/2hp8xvp

The Orbital ATK Antares rocket, with the Cygnus spacecraft onboard, launches from Pad-0A, Sunday, Nov. 12, 2017 via NASA http://ift.tt/2ji3l0C

NASA astronaut Jack Fischer talks with veterans at the World War II Memorial who traveled to Washington, DC with the Buffalo Niagara Honor Flight. Fischer, a colonel in the U.S. Air Force, wrote, “Few things can compare to the honor of meeting WWII, Korea and Vietnam vets today–thank you for your sacrifices to keep us all free.” via NASA http://ift.tt/2iKZW6A

On November 9, 1969, the uncrewed Apollo 4 test flight made a great ellipse around Earth as a test of the translunar motors and of the high speed entry required of a crewed flight returning from the Moon. via NASA http://ift.tt/2m8w1ua

NASA’s Solar Dynamics Observatory came across an oddity that the spacecraft has rarely observed before: a dark filament encircling an active region (Oct. 29-31, 2017). Solar filaments are clouds of charged particles that float above the sun, tethered to it by magnetic forces. via NASA http://ift.tt/2yhGPrr

Expedition 53 Flight Engineer Paolo Nespoli of the European Space Agency (ESA) photographed cloudy skies over Sudan during an International Space Station flyover on Oct. 22, 2017. Nespoli shared the image with his followers on social media on Nov. 6, writing, “#EarthFromSpace means also… Lots of clouds! How do they look from below?” via NASA http://ift.tt/2AhQv5K

As Cassini hurtled toward its fatal encounter with Saturn, the spacecraft turned to catch this final look at Saturn’s moon Pandora next to the thin line of the F ring. via NASA http://ift.tt/2AdCOF7

NASA is performing a series of tests to evaluate how astronauts and ground crew involved in final preparations before Orion missions will quickly get out of the spacecraft, if an emergency were to occur on the pad prior to launch. via NASA http://ift.tt/2zhQOR2