October 12, 2022
“For the first time ever, humanity has changed the orbit of a planetary body,” said NASA planetary science division director Lori Glaze.
https://www.sciencenews.org/article/dart-mission-deflected-asteroid-for-planetary-defense
A change of 32 minutes in orbit — but only 4% of the total orbital period. To deflect an asteroid away from Earth, it’d better be done several years in advance. 🌏
Still, it can be done. An amazing first.
November 24, 2021
twitter.com/nasa/status/1463315612042678279
Technically, the two asteroids the DART is aiming at are a “binary” (they orbit each other).
The BBC’s explanation is pretty good.
They don’t even mention Bruce Willis until the final sentence.
January 5, 2021
And it comes from a travel mag. Talk about confidence!
https://www.travelandleisure.com/trip-ideas/space-astronomy/space-missions-2021
Love is in the words
A debunking of Daniel Cassidy's theories about the influence of the Irish language on English slang.
Science and Technology Blog.
Children's book illustrator
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