4:00 p.m. Discovery Station (in front of Welcome Center)
5:15 p.m. Lecture in the Albert Einstein Planetarium
6:30 p.m. Telescope observing at Phoebe Waterman Haas Public Observatory, weather permitting
Alluvial fans provide evidence for water-related activity. Recent studies on Mars suggest they are younger than previously thought, providing new insight into the late-stage climate and habitability of the planet.
Smithsonian's Stars lectures are suitable for ages 13 and up.