Birdwatch Note Rating
2023-01-16 09:55:39 UTC - HELPFUL
Rated by Participant: 8C51CA21F177A09F691F42DC41E2EBDA55833540B7D056546D60C6254E8BC945
Participant Details
Original Note:
Evidence for a subsurface ocean in Ganymede has been known since the 1970s based on orbital properties. More evidence was found in the 1990s by the Galileo mission and in 2015 by Hubble. The linked article refers to a 2021 observation of water vapor in in atmosphere. https://solarsystem.nasa.gov/moons/jupiter-moons/ganymede/in-depth/ https://www.nytimes.com/2015/03/13/science/space/suddenly-it-seems-water-is-everywhere-in-solar-system.html https://www.nasa.gov/feature/goddard/2021/hubble-finds-first-evidence-of-water-vapor-at-jupiter-s-moon-ganymede/
All Note Details