In this image taken in 1985, four members of the Challenger STS-51L crew train on the flight deck of the shuttle crew compartment. http://www.nasa.gov/sites/default/files/thumbnails/image/sts_51l_cct_flight_deck_dec_17_1985_s85-46207.jpg

To learn how ocean water is melting glaciers, NASA’s Oceans Melting Greenland mission extensively surveyed the coastline of the world’s largest island. http://www.nasa.gov/sites/default/files/thumbnails/image/1-main-omg-eom-1041.jpg

​The bright Sun dissects the airglow above Earth's horizon in this view photographed with a digital still camera from during the STS-107 mission. http://www.nasa.gov/sites/default/files/thumbnails/image/209783main_s107e05070_full.jpeg

Dr. Christian Braneon, a climate scientist at NASA GISS, presents data visualizations and the state of current satellite missions to Vice President Kamala Harris. http://www.nasa.gov/sites/default/files/thumbnails/image/51663728897_cef2f7365f_o.jpeg

This object is, in fact, a pair: a white dwarf star that steadily burns at a relatively cool temperature and a highly variable red giant. http://www.nasa.gov/sites/default/files/thumbnails/image/archives_raquarii.jpg

Divers at the Neutral Buoyancy Laboratory (NBL) in Houston are setting the stage for future moonwalk training by simulating lunar lighting conditions. http://www.nasa.gov/sites/default/files/thumbnails/image/jsc2022e001692.jpg

Ths January 2022 image shows the first rays of an orbital sunrise as seen from the International Space Station as it orbited above Venezuela. http://www.nasa.gov/sites/default/files/thumbnails/image/iss066e109851.jpg

Mathematician Daniel G. Nichols, who worked in the Real-Time Program Development Branch, Mission Planning and Analysis Division, is photographed in NASA's Manned Space Center. http://www.nasa.gov/sites/default/files/thumbnails/image/s66-20368.jpeg

Astronaut Mark Vande Hei peers at the Earth below from inside the seven-windowed cupola, the International Space Station's window to the world. http://www.nasa.gov/sites/default/files/thumbnails/image/iss066e136051.jpg

​This view of Jupiter was taken by Voyager 1. http://www.nasa.gov/sites/default/files/thumbnails/image/pia01384.jpeg

This image from the NASA/ESA Hubble Space Telescope feels incredibly three-dimensional for a piece of deep-space imagery. The image shows Arp 282, an interacting galaxy pair composed of the Seyfert galaxy NGC 169 (bottom) and the galaxy IC 1559 (top). http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_arp282_potw2206a.jpg

Dr. Lyndsey McMillon-Brown at NASA’s Glenn Research Center leads a study of solar cells made from a material called perovskite. http://www.nasa.gov/sites/default/files/thumbnails/image/lyndsey.jpg

This artist's concept shows exoplanet Kepler-1649c orbiting around its host red dwarf star. http://www.nasa.gov/sites/default/files/thumbnails/image/pia23689.jpeg

A top view shows the wing loading test configuration of a F/A-18E from the Naval Air Systems Command in Patuxent River, Maryland. http://www.nasa.gov/sites/default/files/thumbnails/image/afrc2021-0159-10_0.jpg

NASA’s Perseverance Mars rover landed on the Red Planet on Feb. 18, 2021, and took this selfie over a rock nicknamed “Rochette,” on Sept. 10, 2021. http://www.nasa.gov/sites/default/files/thumbnails/image/pia24836_perseverance_selfie_at_rochette_figure_3_croppedcloseup.jpeg

Melba Roy Mouton (1929-1990) was a mathematician and computer programmer in NASA’s Trajectory and Geodynamics Division. http://www.nasa.gov/sites/default/files/thumbnails/image/9467783474_7a574ec7bb_o.jpg

This image from 2020 shows a flame that was one of many ignited as part of the Flame Design investigation on the space station. http://www.nasa.gov/sites/default/files/thumbnails/image/space-flame.png

There are few artists in the aerospace industry whose career was as varied or accomplished as Ted Brown. http://www.nasa.gov/sites/default/files/thumbnails/image/tedbrown.jpeg

This striking image from the NASA/ESA Hubble Space Telescope showcases Arp 298, a stunning pair of interacting galaxies. Arp 298 – which comprises the two galaxies NGC 7469 and IC 5283 – lies roughly 200 million light-years from Earth in the constellation Pegasus. http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_arp298_potw2208a.jpg

Rosemary Dobbins was an artist at the Marshall Space Flight Center. http://www.nasa.gov/sites/default/files/thumbnails/image/0101138_orig.jpeg