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5,200 tons of extraterrestrial dust fall on Earth each year 5nvklj





5,200 tons of extraterrestrial dust fall on Earth each year 9tpt39

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5,200 tons of extraterrestrial dust fall on Earth each year

Dragon
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Post by Dragon Tue Apr 13, 2021 2:55 am

Tiny dust particles far outweigh larger, flashier meteorites that hit the planet.

Every year, 5,200 tons of extraterrestrial dust fall to Earth.

This gentle rain of bits of comets and asteroids far outweighs larger meteorites that hit the planet, according to research to be published April 15 in the journal Earth & Planetary Science Letters.

Only about 10 tons (9 metric tons) of larger space rocks land on Earth annually.


Source


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Post by Dragon Tue Apr 13, 2021 2:58 am

5,200 tons of extraterrestrial dust fall on Earth each year 2u6MwARmaZyCyCkHPoxEjj-970-80
(Image credit: Rojas, et all, Earth and Planetary Science Letters 2021, CC BY-NC-ND 4.0)

Tiny particles of space dust recovered from snow layers in central Antarctica.  


Source / Image Courtesy


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5,200 tons of extraterrestrial dust fall on Earth each year 334pu7m
Dragon
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Post by Dragon Tue Apr 13, 2021 2:59 am



Cosmic Dust Is Everywhere, and There Might Be Some on You!


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5,200 tons of extraterrestrial dust fall on Earth each year 334pu7m

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