How big is the earth?
1:00p to 2:00p
Fri, March 20, 2026
Fri, March 20, 2026
Shadow Science
Learn how we figured out how big the earth was thousands of years ago and try it yourself!The Spring equinox presents a unique opportunity, with the sun directly above the equator we can measure the earth using shadows and ancient science and geometry.
When: 1:00pm Friday 20th March, 2026
Where: Day use
What to Bring: Curiosity!
Event is free with Park entry ($5 for adults 13 and older; 12 and under are free)