Why are moons so interesting for astronomers to study?
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here is ur ans⤵⤵
I think that sometimes we treat the Moon with a BTDT attitude — you know, “been there, done that?” But really, have we really done that?
The Moon is our closest neighbor, but like many of us today, how well do we know this neighbor? Have we gone by, looked closely, and gotten to know this friendly presence better?
It’s right there, look up: it’s beautiful, changeable, but no mysteries right? There are a couple of really good mysteries there — as well as some really good galactic history. Two questions intriguing planetary scientists today are why the gravity of the moon is uneven and why there is so much hydrogen at the lunar poles. These questions are important as the answers can inform our understanding of Earth’s past, and our future. If we can understand the variations in gravity of the moon — that was formed at the same time as Earth — we can better understand the gravity variations of Earth (and maybe understand gravity a bit better — very mysterious stuff, gravity). There are unexpected amounts of hydrogen at the lunar poles; one hypothesis is that it is from ancient cometary water ice that never evaporated having never been exposed to sunlight. If there is water on the moon, it could become a very important resource for future human activities there. The LRO and LCROSS missions will seek answers to both these mysteries
hope it helps