What is a black hole? A black hole is an astronomical object with a gravitational pull so strong that nothing, not even light, can escape it. via NASA https://ift.tt/2JgslCG

The first of 10 pieces of the twin Space Launch System (SLS) rocket boosters for NASA’s Artemis I mission was placed on the mobile launcher Saturday, Nov. 21, 2020. via NASA https://ift.tt/39fNR5h

The SpaceX Falcon 9 rocket carrying the Sentinel-6 Michael Freilich spacecraft lifts off from Space Launch Complex 4 at Vandenberg Air Force Base in California, Nov. 21, 2020. via NASA https://ift.tt/35UNevS

The SpaceX Falcon 9 rocket carrying the Sentinel-6 Michael Freilich spacecraft lifts off from Space Launch Complex 4 at Vandenberg Air Force Base in California, Nov. 21, 2020. via NASA https://ift.tt/3lYQhsG

Observed with the NASA/ESA Hubble Space Telescope, the faint galaxy featured in this image is known as UGC 12588. via NASA https://ift.tt/2HkG0rH

Marcellus Proctor is an enrolled member of the Piscataway-Conoy Nation and the Assistant Chief in the Electrical Engineering Division at NASA Goddard . via NASA https://ift.tt/3pJ7qc4

The SpaceX Crew Dragon spacecraft is pictured approaching the International Space Station for a docking. via NASA https://ift.tt/2HcinBp

SpaceX’s Falcon 9 launches Crew-1 to the space station on Sunday, Nov. 15, 2020. via NASA https://ift.tt/3nv3hq6

With a degree in computer engineering and computer science from the University of Southern California, Lauren Denson is now an quality engineer and supervisor at the Jet Propulsion Laboratory. via NASA https://ift.tt/3pqzdOa

The galaxy UGCA 193, seen here by the NASA/ESA Hubble Space Telescope, is a galaxy in the constellation of Sextans (The Sextant). via NASA https://ift.tt/38lSg6e