投稿日：2018/04/22(日) 14:20
投稿者：Rubin　[home]　[mail]

My battery's about to run out fentanyl citrate drug bank A total eclipse occurs when Earth's core (umbral) shadow falls across the moon, casting the entire satellite in shadow. During a partial eclipse, the umbra takes a bite out of part of the moon, while a penumbral eclipse involves only Earth's fainter outer shadow, causing a much less dramatic dimming.