Le télescope James-Webb fonctionne « mieux que prévu » ! https://www.futura-sciences.com/sciences/breves/telescope-spatial-james-webb-telescope-james-webb-fonctionne-mieux-prevu-7388/#xtor%3DRSS-8 #télescopespatialjameswebb #jameswebbspacetelescope #micrométéorites #micrométéorite #astronomie #nasa

#China Says It Solved Mystery on #Moon’s Surface
Scientists led by Haiyang Xia demonstrate Ferric Iron can be forged by #micrometeorites, constantly pelting lunar terrain. Discovery reveals dominant pathway” for the formation of Fe3+ on the lunar surface
https://bit.ly/3CBuTnE

Excellent introduction by Denis Voeten (interviewing) and Martin Shuttle (interviewed) about #micrometeorites for the #RockStar series: https://www.youtube.com/watch?v=ir1el425m3c

space dust rabbit hole:
I had no idea until today that I have a desire to collect #micrometeorites...

#JWST suffered a large than expected micrometeorite impact. It's still fine.

"Between May 23 and 25, NASA’s James Webb Space Telescope sustained an impact to one of its primary mirror segments.
[...]
This most recent impact was larger than was modeled, and beyond what the team could have tested on the ground."

https://blogs.nasa.gov/webb/2022/06/08/webb-engineered-to-endure-micrometeoroid-impacts/

#Telescopes #Micrometeorites

@Maya @maperal @claudiom @Gemlog@mastodon.social @kelbot @ajroach42 @nytpu @kd5njr Perhaps not surprisingly, much harder than it looks...literally a grain on a grain on a needle in a haystack https://youtu.be/9q3uNcJh4pc #astronomy #homescience #meteorites #micrometeorites

Yes, there are micrometeorites in the debris that land on your roof. But it isn't much compared to what else is up there. Entertaining article by Phil Plait.

#Astronomy #Meteorites #MicroMeteorites #Research

https://www.syfy.com/syfywire/can-you-really-find-micrometeorites-in-your-gutter-well

@galacticstone