WAUKESHA, Wis. – Understanding astronomy isn’t just about exploring the universe through a telescope. It’s understanding the laws of physics, challenging theories, and testing ideas with simulations.
Most of us have a general idea as to why today is Feb. 29 instead of March 1, but until this morning, I, at least, had not been well steeped in the nitty-gritty details (or had forgotten them from ...
CC0 Usage Conditions ApplyClick for more information. This 75-minute teacher webinar focused on the ways in which the Maya have used the Sun to track time for thousands of years. Ancestral calendars ...