Spiral galaxy NGC 3274 is a relatively faint galaxy located over 20 million light-years away in the constellation of Leo (The Lion). via NASA http://ift.tt/2f2EN91

Surface features are visible on Saturn’s moon Prometheus in this view from NASA’s Cassini spacecraft. via NASA http://ift.tt/2geAJji

Surface features are visible on Saturn’s moon Prometheus in this view from NASA’s Cassini spacecraft. via NASA http://ift.tt/2geAJji

Surface features are visible on Saturn’s moon Prometheus in this view from NASA’s Cassini spacecraft. via NASA http://ift.tt/2geAJji

Surface features are visible on Saturn’s moon Prometheus in this view from NASA’s Cassini spacecraft. via NASA http://ift.tt/2geAJji

The United Launch Alliance Atlas V rocket and its GOES-R payload at the launchpad as preparations continue for launch at 5:42 p.m. EST, Saturday, Nov. 19, from Space Launch Complex 41. via NASA http://ift.tt/2g8kWTF

The United Launch Alliance Atlas V rocket and its GOES-R payload at the launchpad as preparations continue for launch at 5:42 p.m. EST, Saturday, Nov. 19, from Space Launch Complex 41. via NASA http://ift.tt/2g8kWTF

The United Launch Alliance Atlas V rocket and its GOES-R payload at the launchpad as preparations continue for launch at 5:42 p.m. EST, Saturday, Nov. 19, from Space Launch Complex 41. via NASA http://ift.tt/2g8kWTF

In this one second exposure photograph, the Soyuz MS-03 spacecraft is seen launching from the Baikonur Cosmodrome with Expedition 50 crewmembers NASA astronaut Peggy Whitson, Russian cosmonaut Oleg Novitskiy of Roscosmos, and ESA astronaut Thomas Pesquet from the Baikonur Cosmodrome in Kazakhstan, Friday, Nov. 18, 2016, Kazakh time (Nov 17 EST). via NASA http://ift.tt/2g3zbv4

Expedition 50 crewmembers ESA astronaut Thomas Pesquet, top, NASA astronaut Peggy Whitson, middle, and Russian cosmonaut Oleg Novitskiy of Roscosmos wave farewell before boarding their Soyuz MS-03 spacecraft for launch Thursday, Nov. 17, 2016, (Kazakh Time) in Baikonur, Kazakhstan. via NASA http://ift.tt/2fZYHNU