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.

The Smithsonian’s Stars Lecture Series is made possible by a grant from NASA.

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.

How to attend

National Air and Space Museum in Washington, DC

6th St. and Independence Ave SW. Washington, DC 20560
Planetarium