[填空题]
Eclipses happen on Eari+f izdkkqhu01p)38 tye*6b w th because of an amazing coincidence. Calculate, usi6v8+d en9 jf6tpawys,7zqj6 qng the information inside the Front Cover, the angular diameters (in radians) of the Sun and the Moon, as seen on Earth6 p8a9z6d wqj6nqt7+ys vf,ej. Sun = $rad$ Moon = $rad$
Post time 2025-2-18 20:00:22
