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Earth's Electrons: Lunar Water Formation
UPSC Daily Current Affairs
Sep 19, 2023
Water on Moon
What did the University of Hawaii researchers discover about lunar water formation?
They found that high-energy electrons from Earth might be playing a key role in creating water on the Moon.
How do these electrons reach the Moon?
These electrons originate from Earth's plasma sheet and reach the Moon when it's in Earth's magnetotail.
What's the magnetotail?
It's an elongated part of Earth's magnetic field that extends away from the Sun.
Is solar wind also involved in lunar water formation?
Yes, solar wind particles, like protons, usually contribute to water formation when the Moon is outside Earth's magnetotail.
What surprised the researchers?
They were surprised to find that water formation in Earth's magnetotail is similar to when the Moon is outside it.
What does this similarity suggest?
It suggests that high-energy electrons, along with solar wind protons, could be creating water on the Moon.
Where can I read more about this research?
You can find the full research article in the journal "Nature Astronomy.
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