这些天文学家们很善于排除可能被误以为是近地天体的人造卫星，宇宙射线产生的电火花，以及其他掠过天空的物体。
The astronomers are skilled at ruling out man-made satellites, electronic sparks from cosmic rays and other streaking objects that could be mistaken for an NEO.
随和的幼儿园老师告诉孩子们宇宙（银河系）中有恒心、行星、卫星、以及其他天体。
The easygoing nursery teacher told children that the universe (Galaxy) was comprised of stars, planets, satellites and other spheres.
幼儿园的都是告诉孩子们宇宙中有恒星、行星、卫星以及其他天体。
The nursery teacher told children that the universe was comprised of stars, planets , satellites and other spheres.
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