[填空题]
Eclipses happen on Earth because of an amazin,em whw92c we2bcwy *5g coinc) 0mustjwfq/i /v01d.+eo f zfidence. Calculate, using the information inside the Front Cover, the angular diameters (in ra oftzj qvfsf/w1 0.iu +md)/0edians) of the Sun and the Moon, as seen on Earth. Sun = $rad$ Moon = $rad$
Post time 2025-2-18 20:00:22
