NASA’s Webb Finds Water, and a New Mystery, in Rare Main Belt …
May 15, 2023 · Using Webb’s NIRSpec (Near-Infrared Spectrograph) instrument, astronomers have confirmed gas – specifically water vapor – around a comet in the main asteroid belt for the first time, indicating that water ice from the primordial solar system can be …
Hubble Confirms Largest Comet Nucleus Ever Seen - NASA Science
Apr 12, 2022 · NASA’s Hubble Space Telescope has determined the size of the largest icy comet nucleus ever seen by astronomers. The estimated diameter is approximately 80 miles across, making it larger than the state of Rhode Island. The nucleus is about 50 times larger than found at the heart of most known comets. Its mass is estimated […]
All NASA News - NASA
Oct 13, 2023 · NASA astronaut Matthew Dominick captured this timelapse photo of Comet C/2023 A3 (Tsuchinshan-ATLAS) from the International Space Station as it orbited 272 miles above the South Pacific Ocean southeast of New Zealand just before sunrise on …
Comets - NASA Science
Explore images of asteroids and comets taken by NASA's robotic spacecraft. National Space Science Data Center: Comets Fact sheets, FAQs, and information about missions to explore comets.
NASA Awards Consolidated Operations, Management, …
Feb 23, 2023 · The Consolidated Operations, Management, Engineering and Test (COMET) contract will provide vehicle assembly and integration, launch, and recovery operations for Artemis missions through 2033.
NASA’s NEOWISE Celebrates 10 Years, Plans End of Mission
Dec 13, 2023 · Since its reactivated mission began on Dec. 13, 2013, the space telescope has discovered a once-in-a-lifetime comet, observed more than 3,000 near-Earth objects, bolstered international planetary defense strategies, and supported another NASA mission’s rendezvous with a distant asteroid.
NASA’s Hubble Observes the Farthest Active Inbound Comet Yet …
Sep 28, 2017 · NASA's Hubble Space Telescope has photographed the farthest active inbound comet ever seen, at a whopping distance of 1.5 billion miles from the Sun (beyond Saturn's orbit).
NASA Live - NASA
3 days ago · NASA TV live: Watch live broadcasts from NASA Television and NASA's social media channels, and a schedule of upcoming live events including news briefings, launches and landings.
Hubble Snaps Close-Up of Celebrity Comet NEOWISE
Aug 21, 2020 · The inset image, taken by the Hubble Space Telescope on Aug. 8, 2020, reveals a close-up of the comet after its pass by the Sun. Hubble’s image zeroes in on the comet’s nucleus, which is too small to be seen. It’s estimated to measure no more than 3 …
Hubble Observes 1st Confirmed Interstellar Comet - NASA Science
Oct 16, 2019 · NASA's Hubble Space Telescope has given astronomers their best look yet at an interstellar visitor — comet 2I/Borisov — whose speed and trajectory indicate it has come from beyond our solar system. This Hubble image, taken on …