A pair of U.S. spacesuits are pictured inside the International Space Station's Quest airlock ready for an upcoming spacewalk. http://www.nasa.gov/sites/default/files/thumbnails/image/iss066e019166.jpg

NASA astronaut Victor Glover speaks with students about his time aboard the International Space Station, Thursday, Nov. 18, 2021, at Ben’s Chili Bowl in Washington. http://www.nasa.gov/sites/default/files/thumbnails/image/51690129720_d736c05b73_o.jpeg

The Flame Nebula, also called NGC 2024, is a large star-forming region in the constellation Orion that lies about 1,400 light-years from Earth. It’s a part of the Orion Molecular Cloud Complex. http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_ngc2024_flame1_wfc3_ir_display.jpg

The Double Asteroid Redirection Test (DART) will help determine if intentionally crashing a spacecraft into an asteroid is an effective way to change its course. http://www.nasa.gov/sites/default/files/thumbnails/image/dart_header_2.jpg

Mounded, luminous clouds of gas and dust glow in this Hubble image of a Herbig-Haro object known as HH 45. http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_ngc1977_hh45b_display.jpg

This artist's concept shows a supermassive black hole surrounded by a disk of gas. http://www.nasa.gov/sites/default/files/thumbnails/image/ztf_bh_merger_webready.original.jpg

NGC 6891 is a bright, asymmetrical planetary nebula in the constellation Delphinus, the Dolphin. http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_ngc6891_display.jpg

As the Crew-2 mission departed the International Space Station aboard SpaceX Crew Dragon Endeavour, the crew snapped this image of the station. http://www.nasa.gov/sites/default/files/thumbnails/image/iss066e081189.jpg

These four nebulae are known for their breathtaking beauty: the Eagle Nebula (which contains the Pillars of Creation), the Omega Nebula, the Trifid Nebula, and the Lagoon Nebula. http://www.nasa.gov/sites/default/files/thumbnails/image/pia24577.jpeg

NASA’s Curiosity Mars rover used its black-and-white navigation cameras to capture panoramas of this scene at two times of day on Nov. 16, 2021. http://www.nasa.gov/sites/default/files/thumbnails/image/pia24937-am-3-1041.jpg

Christopher Kraft, flight director during Project Mercury, works at his console inside the Flight Control area at Mercury Mission Control. http://www.nasa.gov/sites/default/files/thumbnails/image/christopher_kraft.jpeg

This image of our home planet shows how Earth looked from more than 950,000 miles, or 1.5 million kilometers, away during the total solar eclipse visible in Antarctica on Dec. 4, 2021. http://www.nasa.gov/sites/default/files/thumbnails/image/epic_1b_20211204075803.png

NASA’s Laser Communications Relay Demonstration, or LCRD, launched aboard a United Launch Alliance Atlas V rocket on Tuesday, Dec. 7, 2021. http://www.nasa.gov/sites/default/files/thumbnails/image/51731031588_c62a45b30c_o.jpeg

This stunning image captures a small region on the edge of the inky Coalsack Nebula, or Caldwell 99. http://www.nasa.gov/sites/default/files/thumbnails/image/coalsack_acs1_hpfinal.jpg

A SpaceX Falcon 9 rocket launches with NASA’s Imaging X-ray Polarimetry Explorer (IXPE) spacecraft onboard from Launch Complex 39A, Thursday, Dec. 9, 2021. http://www.nasa.gov/sites/default/files/thumbnails/image/51733990422_be2a3d80f0_o.jpeg

Snoopy, the Zero G Indicator for the Artemis I mission, was delivered to NASA’s Kennedy Space Center on Dec. 2 2021. http://www.nasa.gov/sites/default/files/thumbnails/image/snoppy.jpeg

Each December the Geminids meteor showers appear in the night sky. http://www.nasa.gov/sites/default/files/thumbnails/image/2020_geminid_radiant_visual-cropped.png

IIn this image, a Hayabusa2 sample canister containing sample fragments of the asteroid Ryugu is transferred from JAXA, the Japan Aerospace Exploration Agency, to NASA. http://www.nasa.gov/sites/default/files/thumbnails/image/jsc2021e062389.jpg

Dr. Eugene Parker (seated), a pioneer in heliophysics, watches the liftoff of the mission named in his honor. http://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20180812-ph_geb01_0045.jpg

This Hubble Space Telescope image captures a portion of the reflection nebula IC 2631, which contains a protostar, the hot, dense core of a forming star that is accumulating gas and dust. http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_sstgbsj1109261_ic2631_display1_0.jpg