单词:meteor showers
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This is Scientific American's 60-Second Science,I am Steve Mirsky.Got a minute? Its accepted that a large meteor impact 65 million years ago was responsible for the mass extinction of the dinosaurs. Which opened up niches for birds and mammals. But l
AS IT IS 2015-09-09 Meteor Explodes in Skies Over Thailand 泰国曼谷天降火球并爆炸 A meteor exploded over the sky in Thailand in a bright streak of gold. Meteors are also known as falling stars. This meteor crashed through the Earth's atmos
37 研究表明2500万年前流星曾碰撞过地球 DATE=4-18-01 TITLE=SCIENCE REPORT - Meteor Collision With Earth BYLINE=Jill Moss (Start at 59
77 流星雨成因探索 Date=8-2-01 Ttle=science report - the Perseid meteor shower Bline=Mario Ritter (Start at 59
如果问一个美国年轻人是支持希拉里呢?还是支持特朗普?很可能每四个人里就会有一个人会告诉你,Ta宁可让一颗巨大的流星毁灭地球,也不愿意这二位中的任何一位当选。 Young Americans are
If you find yourself away from a city, spend an hour looking up on any clear, moonless night. You're bound to see a few brilliant shooting stars. These actually have nothing to do with stars: They're meteors, and if your viewing conditions are good,