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
For 50 years, the Smithsonian monitored changes in the Sun’s power. Secretary Charles Greeley Abbott asserted that solar variations could influence weather patterns and crop yields. What was he detecting?
Smithsonian's Stars lectures are suitable for ages 13 and up.