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我们担心小行星撞地球不是没有理由

已有 499 次阅读 2018-2-10 22:01 |个人分类:科学感想|系统分类:博客资讯

另一颗小行星正朝着我们的前来——本周的第二颗小行星——但没必要担心,有惊无险而已。新发现的太空岩石将在星期五下午离地球39000英里(64000公里),不到地球离月球距离的1/5掠过。

见:

Asteroid coming close Friday: Don't worry, we're safe

Asteroid coming close Friday: Don't worry, we're safe - ABC News

abcnews.go.com/Technology/wireStory/asteroid-coming-close-friday-worry-safe-52939065


我们担心小行星撞地球不是没有理由。

因为最新的研究表明:大约6600万年前,当小行星撞击地球时,它在全世界引起了毁灭,恐龙由此灭绝,结束了我们现在所说的中生代。

见:

The Chicxulub Asteroid Impact that Killed the Dinosaurs Also Created Ocean Eruptions on the Other Side of the World

The Chicxulub Asteroid Impact that Killed the Dinosaurs Also ...

www.newsweek.com/chicxulub-crater-prompted-lava-surge-well-global-dinosaur-killing-winter-801355

The asteroid that killed the dinosaurs triggered a natural disaster that scientists hadn't realized, according to new clues from the ocean floor

https://www.sfgate.com/technology/businessinsider/article/The-asteroid-that-killed-the-dinosaurs-triggered-12563186.php

Meteorite that killed the dinosaurs may have triggered underwater volcanoes





http://blog.sciencenet.cn/blog-39731-1099336.html

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