
Dr. Fred Calef III, working Mars Missions, PhD Mars Geology, Sciengineering at NASA/JPL. (opinions my own, he/him) @mapperwocky@mapstodon.space and Bluesky
Mars via JPL via Surf City
Joined July 2009
- Tweets129K
- Following4.9K
- Followers6.1K
- Likes317K

