The highly irregular galaxy ESO 174-1, which resembles a lonely, hazy cloud against a backdrop of bright stars, dominates this image from the NASA/ESA Hubble Space Telescope. http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_eso174-1_potw2326a.jpg

A full moon was visible behind the Artemis I SLS (Space Launch System) rocket and Orion spacecraft at Launch Complex 39B at NASA's Kennedy Space Center in Florida on June 14, 2022. The first in an increasingly complex series of missions, Artemis I tested SLS and Orion as an integrated system prior to crewed flights to the Moon. http://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20220614-ph-jbs01_0332orig.jpg

NASA’s X-59 research aircraft moves from its construction site to the flight line – or the space between the hangar and the runway – at Lockheed Martin Skunk Works in Palmdale, California, on June 16, 2023. http://www.nasa.gov/sites/default/files/thumbnails/image/p23-092-09.jpg

The last rays of an orbital sunset begin fading in Earth's atmosphere silhouetting the cloud tops. http://www.nasa.gov/sites/default/files/thumbnails/image/iss069e025337.jpg

NASA's Psyche spacecraft is nearly complete as it rests in a clean room on June 26, 2023, at Astrotech Space Operations Facility near the agency’s Kennedy Space Center in Florida. http://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20230626-ph-fmx01_0015orig.jpg

NASA's New Horizons spacecraft captured this high-resolution enhanced color view of Charon, Pluto's largest moon, just before closest approach on July 14, 2015. http://www.nasa.gov/sites/default/files/thumbnails/image/pia19968orig.jpg

A bobcat surveys the landscape at NASA’s Armstrong Flight Research Center in Edwards, California in this March 11, 2021, image. http://www.nasa.gov/sites/default/files/thumbnails/image/afrc2021-0029-10orig.jpg

President Joe Biden unveiled this image of the galaxy cluster SMACS 0723 during a White House event on July 11, 2022. http://www.nasa.gov/sites/default/files/thumbnails/image/main_image_deep_field_smacs0723-1280.jpg

Former NASA astronaut Jack Fischer captured this photograph of Lagoa dos Barros and crescent-shaped barchan dunes on the Atlantic coastline of southern Brazil on July 9, 2017, while aboard the International Space Station. http://www.nasa.gov/sites/default/files/thumbnails/image/iss052-e-14188_lrg.jpg

Work is being done on the Orion spacecraft for NASAs crewed Artemis II, Artemis III, and Artemis IV missions at Kennedy Space Center in Florida. http://www.nasa.gov/sites/default/files/thumbnails/image/3_orions.jpg

One of three specially designed, fully electric, environmentally friendly crew transportation vehicles for Artemis missions sits at Launch Pad 39B at NASA’s Kennedy Space Center in Florida on July 11, 2023. http://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20230711-ph-kls01_0013orig.jpg

As the International Space Station orbited 259 miles above North Africa, clouds covered the sky. To the bottom right of the image, one of the station's roll-out solar arrays peeks through. http://www.nasa.gov/sites/default/files/thumbnails/image/53045825893_872a3861ea_o.jpg

On July 17, 2023, NASA’s four Starling CubeSats successfully deployed after having launched aboard Rocket Lab’s Electron rocket, shown in this image. http://www.nasa.gov/sites/default/files/thumbnails/image/53054363868_e1b80fb25f_o.jpg

AS11-40-5875 (20 July 1969) -- Astronaut Edwin E. Aldrin Jr., lunar module pilot of the first lunar landing mission, poses for a photograph beside the deployed United States flag during an Apollo 11 extravehicular activity (EVA) on the lunar surface. The Lunar Module (LM) is on the left, and the footprints of the astronauts are clearly visible. http://www.nasa.gov/sites/default/files/images/589552main_as11-40-5875_full.jpg

In preparation for the retrieval of the sample return capsule from NASA's OSIRIS-REx mission, recovery teams tour the projected landing ellipse in the Utah desert on July 17, 2023. http://www.nasa.gov/sites/default/files/thumbnails/image/nhq202307170007orig.jpg

Elaborate Passiflora incarnata, or purple passionflower, sit pretty in a field at NASA’s Kennedy Space Center in Florida on June 13, 2023. http://www.nasa.gov/sites/default/files/thumbnails/image/53029341562_035f5e2c96_o.jpg

GE Aerospace and magniX have revealed the paint schemes of the hybrid electric aircraft they will fly as part of NASA’s Electrified Powertrain Flight Demonstration (EFPD) project. http://www.nasa.gov/sites/default/files/thumbnails/image/epfd_image.png

Woody Hoburg took this photo of Laguna Verde’s inviting waters as the International Space Station orbited 264 miles (425 km) over South America on July 7, 2023. http://www.nasa.gov/sites/default/files/thumbnails/image/iss069e030011orig.jpg

NASA Student Airborne Research Program (SARP) interns Dorothy Sue Grimmer and Victoria Tran pose for a photo in front of the Dynamic Aviation B200 ahead of their morning research flight on Tuesday, June 13, 2023. http://www.nasa.gov/sites/default/files/thumbnails/image/53070888088_8e4826ee89_o.jpg

The tranquil spiral galaxy UGC 12295 basks leisurely in this image from the NASA/ESA Hubble Space Telescope. http://www.nasa.gov/sites/default/files/thumbnails/image/hubble_ugc12295_potw2330a.jpg