Where did Mercury get its water ice? Maybe from a single slow asteroid impact Space.com 28 May 2026 at 11:00 Mercury may have gotten much of its polar ice within a single Mercurian day following a massive asteroid impact, a new study suggests.
Where did Mercury get its water ice? Maybe from a single slow asteroid impact Space 28 May 2026 at 11:00 Mercury may have gotten much of its polar ice within a single Mercurian day following a massive asteroid impact, a new study suggests.