NASA Astronaut Tim Kopra on Dec. 21 Spacewalk

NASA Astronaut Tim Kopra on Dec. 21 Spacewalk Expedition 46 Flight Engineer Tim Kopra on a Dec. 21, 2015 spacewalk, in which Kopra and Expedition 46 Commander Scott Kelly successfully moved the International Space Station’s mobile transporter rail car ahead of Wednesday’s docking of a Russian cargo supply spacecraft. via NASA http://ift.tt/1S8leHF

Chandra Finds Remarkable Galactic Ribbon Unfurled

Chandra Finds Remarkable Galactic Ribbon Unfurled An extraordinary ribbon of hot gas trailing behind a galaxy like a tail has been discovered using data from NASA’s Chandra X-ray Observatory. via NASA http://ift.tt/1OGFdI6

NuSTAR’s View of Galaxy 1068

NuSTAR’s View of Galaxy 1068 Galaxy 1068 is shown in visible light and X-rays in this composite image. High-energy X-rays (magenta) captured by NASA’s Nuclear Spectroscopic Telescope Array, or NuSTAR, are overlaid on visible-light images from both NASA’s Hubble Space Telescope and the Sloan Digital Sky Survey. via NASA http://ift.tt/1T4UPst

NuSTAR’s View of Galaxy 1068

NuSTAR’s View of Galaxy 1068 Galaxy 1068 is shown in visible light and X-rays in this composite image. High-energy X-rays (magenta) captured by NASA’s Nuclear Spectroscopic Telescope Array, or NuSTAR, are overlaid on visible-light images from both NASA’s Hubble Space Telescope and the Sloan Digital Sky Survey. via NASA http://ift.tt/1QPF49G

Expedition 46 Soyuz Approaches Space Station for Docking

Expedition 46 Soyuz Approaches Space Station for Docking Russian cosmonaut Yuri Malenchenko manually docked the Soyuz TMA-19M spacecraft on Dec. 15, 2015 to the International Space Station’s Rassvet module after an initial automated attempt was aborted. Flight Engineer Tim Kopra of NASA and Flight Engineer Tim Peake of ESA flanked Malenchenko as he brought the Soyuz to the Rassvet port. via NASA http://ift.tt/1P8gjFL

Expedition 46 Soyuz Launch to the International Space Station

Expedition 46 Soyuz Launch to the International Space Station The Soyuz TMA-19M rocket is launched with Expedition 46 Soyuz Commander Yuri Malenchenko of the Russian Federal Space Agency (Roscosmos), Flight Engineer Tim Kopra of NASA, and Flight Engineer Tim Peake of ESA (European Space Agency), Tuesday, Dec. 15, 2015 at the Baikonur Cosmodrome in Kazakhstan. via NASA http://ift.tt/1jZR3nW

Expedition 46 Soyuz Rollout

Expedition 46 Soyuz Rollout In this one minute exposure, a meteor streaks across the sky as the Soyuz TMA-19M spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome on Sunday, Dec. 13, 2015 in Kazakhstan. Launch of the Expedition 46 crew to the International Space Station aboard the Soyuz is scheduled for Dec. 15, 2015. via NASA http://ift.tt/1Qozyw6

Expedition 45 Crew Members Return Home

Expedition 45 Crew Members Return Home Expedition 46 Commander Scott Kelly of NASA captured this image from aboard the International Space Station, of the Dec. 11, 2015 undocking and departure of the Soyuz TMA-17M carrying home Expedition 45 crew members Kjell Lindgren of NASA, Oleg Kononenko of the Russian Federal Space Agency and Kimiya Yui of JAXA. via NASA http://ift.tt/1OX6Pvb

Phytoplankton Bloom in the North Atlantic

Phytoplankton Bloom in the North Atlantic On Sept. 23, 2015, the weather was adequate for the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite to acquire this view of a phytoplankton bloom in the North Atlantic. The image was composed with data from the red, green, and blue bands from VIIRS, in addition to chlorophyll data. via NASA http://ift.tt/1jQCdAm