At 6, 7 and 8 p.m. see demonstrations focusing on Newton's laws and center of gravity. Also view through telescopes and experience SlipherVision indoor presentations. Lowell Observatory, 1400 W Mars Hill Rd, Flagstaff, AZ. Adults: $12, Seniors/AAA/College Students: $11, Ages 5-17: $6, Under 5: Free, Members: Free.
- This event has passed.