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Questions regarding Earth's only natural satellite. For questions about the natural satellites of other planets, use the tag [natural-satellite].
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Meteorites bring water
It would have to be a big meteorite to supply the quantaties we have here and therefore support the nuclear break down theory.ie- hydrogen to helium etc.
In respect of delivery by cosmic objects, the …
-1
votes
What range of exit pupils work for observing the full moon?
Since the magnification is determined by focal length of the objective/focal length of eyepiece it is difficult to have an eye-piece with the same f ratio as the objective.
Assuming pupil aprature 0.2 …
0
votes
2
answers
343
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Do we have knowledge of the geology of the moon?
With reference to the Ebb and Flow lunar satellites, was there any data about its geology? Is there a central core, or is it homogenous?
1
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Is it safe to view moon at daytime through telescope
I have found a good time to view the moon is before the sky is fully light,say 8am.The pupil of the eye will no be fully dilated and better eye/lens will give improved resolution(f ratio).In addition …
0
votes
Tide on the Moon
There would be a tide of approximately 28 days due to centrifuge effect,the water being free flowing,about the mid point centre of gravity of the 2 masses.
Our tides are monthly but appear daily due t …