Posts
14-02-2018 12:19 PM CET
Five years ago today, a small, previously unknown asteroid entered Earth's atmosphere at 66 000 km/h and exploded high above Chelyabinsk, Russia, with 20–30 times the energy of the Hiroshima atomic bomb.
Having trouble viewing this email? View it as a Web page.
| This message has been sent by ESA Web Portal, ESRIN, 00044 Frascati (RM), Italy |
No comments:
Post a Comment