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2025-02-12 07:30:06

Random Astronomy Pictures OTD on Nostr: APOD from 2024-09-16 #Mercury's Vivaldi Crater from BepiColombo Mysterious Vivaldi ...

APOD from 2024-09-16

#Mercury's Vivaldi Crater from BepiColombo

Mysterious Vivaldi Crater on Mercury, with two rings and a smooth floor, puzzles scientists. Captured by BepiColombo, it may result from an impact and subsequent lava flow. The cause of double-ringed craters like this remains under study as BepiColombo prepares for a 2026 Mercury orbit.

HD image at https://apod.nasa.gov/apod/ap240916.html

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