[填空题]
Eclipses happen on Eaphm6 kh,k5h)a t2fr:3f0wgkjn,cvq-aw)h(6 flk /uwrth because of an amazing coincidence. Calculate, using the information inside the F wf(,u 6 h)ck-wlvn/aqront Cover, the angular diameters (in radians) of the Sun and the Moon, as seen on Earth. Sun = $rad$ Moon = $rad$