On Mercury

WASHINGTON, DISTRICT OF COLUMBIA, UNITED STATES

08.19.2009

Courtesy Photo

NASA

Why are many large craters on Mercury relatively smooth inside? Images from the MESSENGER spacecraft that flew by Mercury in October 2008 show previously...

NASA Identifier: 354324main_mercurywest_messenger_big_full

• Date Taken: 08.19.2009
• Date Posted: 10.19.2012 15:27
• Photo ID: 751198
• Resolution: 3000x1980
• Size: 513.62 KB
• Location: WASHINGTON, DISTRICT OF COLUMBIA, US