[填空题]
Eclipses happen on Eaf. b-4cf8g l,ggveqkei4n0 k2rth because of an amazing coinci4ix 3ry5 / ,casgp-bpcdence. Calculate, using the information inside the Front Cover, the angular d p5y3cg,r/csp-4x biaiameters (in radians) of the Sun and the Moon, as seen on Earth. Sun = $rad$ Moon = $rad$
Post time 2025-2-18 20:00:22
