[填空题]
Eclipses happen on Earth because of an amazing coincidetj o7mk6a0yypg-1k hpc- /nq*nce. Calculatg,o 1h.gbk.- z5 p3ykq-8+hyub vphire, using the information inside the Front Cover, 5 ypk,k-uqrg +vg8hb3yhbizph .o1.- the angular diameters (in radians) of the Sun and the Moon, as seen on Earth. Sun = $rad$ Moon = $rad$
Post time 2025-2-18 20:00:22
