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A comment on Small Asteroid Impacts Moon.

Re:Small Asteroid Impacts Moon by can16358p on Sunday March 12, 2023 @09:41AM (#35119922)
How rare are these impacts? Are they like once in a lifetime observations, about once a year, or what?
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Re:Small Asteroid Impacts Moon by NGC404 on Sunday March 12, 2023 @09:45AM (#35119948)
Nasa has a Program called "Lunar Impact Monitoring".

See:

https://link.springer.com/article/10.1007/s11038-007-9184-0

https://ntrs.nasa.gov/api/citations/20150021386/downloads/20...

http://lunarnetworks.blogspot.com/2013/05/brightest-impact-r...

The data collected by the "Lunar Reconnaissance Orbiter" can be used to estimate the frequency of impacts.

https://www.lroc.asu.edu/posts/943

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Re:Small Asteroid Impacts Moon by foobarbecue on Sunday March 12, 2023 @10:20AM (#35120341)
This paper found 222 impacts when comparing repeat LRO images (2009-present): https://www.nature.com/articles/nature19829

I'm leading new a citizen science project called MoonDiff, comparing against older images to look further back in time -- contact me if interested.

https://moondiff.org

https://trek.nasa.gov/moondiff/static/moondiff_intro.webm

https://github.com/nasa-jpl/moondiff

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