Spacewalkers Bob Behnken (left) and Chris Cassidy (right) in the Quest Airlock on June 26, 2020, before beginning a spacewalk to replace batteries on one of two power channels on the International Space Station. via NASA https://ift.tt/3ibmiw7

We don’t see the beautiful spiral arms of galaxy NGC 5907 in this Hubble image because we are viewing it edge-on, like looking at the rim of a plate. It is for this reason that NGC 5907 is also known as the Knife Edge galaxy. via NASA https://ift.tt/2BKHZT6

This composite image, made from six frames, shows the International Space Station, with a crew of five onboard, in silhouette as it transits the Sun. via NASA https://ift.tt/3eyd7n3

On June 21, 2020, as the International Space Station orbited over Kazakhstan and into China, an external high-definition camera captures this picture of the solar eclipse shadowing a portion of the Asian continent. via NASA https://ift.tt/2YuRBdx

In this image NGC 7027 resembles a jewel bug, an insect with a brilliantly colorful metallic shell. via NASA https://ift.tt/385kMHn

NASA astronauts (from top) Chris Cassidy and Bob Behnken work on U.S. spacesuits. via NASA https://ift.tt/3fLlHPv

Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy using data from NASA’s Chandra X-ray Observatory. via NASA https://ift.tt/2LI5Tz7

Pilots Troy Asher and Wayne Ringelberg walk out of NASA’s Armstrong Flight Research Center’s (AFRC) hangar in Palmdale, California, toward the flight line. via NASA https://ift.tt/2Yb0M2z

Pilots Troy Asher and Wayne Ringelberg walk out of NASA’s Armstrong Flight Research Center’s (AFRC) hangar in Palmdale, California, toward the flight line. via NASA https://ift.tt/2Nc3kHr

This artist’s concept shows an astronaut on Mars, as viewed through the window of a spacecraft. via NASA https://ift.tt/2N4cBRB