Abundance of micrometeorites

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Abundance of micrometeorites

Postby David Entwistle » Wed Mar 01, 2017 1:47 pm

New Scientist report on a paper by Matthew Genge: Cosmic popcorn effect helps space dust survive our atmosphere.

Like tiny skydivers, particles of space dust use water to “parachute” safely to Earth. This helps wet particles withstand the plunge to Earth better than dry ones, meaning we may be overestimating the wetness of nearby asteroids.

The area around Earth is full of cosmic dust particles, so Earth is full of them too. “Cosmic dust is everywhere: it is on our streets, it’s in our homes, and it’s quite possibly on our clothes as well,” says Matthew Genge at Imperial College London, who has studied these micrometeorites for decades. “You’re probably no more than a few feet away from a cosmic dust particle that parachuted through the atmosphere.”

The original article is available here.
David Entwistle
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Re: Abundance of micrometeorites

Postby Barwellian » Fri Mar 03, 2017 1:21 am

Interesting article...thanks Dave
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