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I took some images of the moon last night...& wonder whether could anyone tell me what the mark on the moon (arrowed) is...I wondered if it might be an explosion..or may be a crater!!! or may be nothing exciting.... I havn't noticed this before on other moon images I have taken.
Thank you for your help & time
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It looks to me like the place where the white string is attached.
Its the crater Tycho, about 84 km across and 4.6 km deep. It is one of the youngest large craters on the near side of the Moon, with spectacular rays that are easily visible in any telescopes. These rays were caused by chunks of rock that were ejected when something hits the Moon. And the freshness of these rays tells us that Tycho is young since there has been little time to erode them. If Tycho were old, these rays may have been eroded or erased by later impacts.
Thank you Mike
It's a crater called Tycho. Lots of info on line.
Oh thank you very much Steve for this information...Brilliant...I wondered if it was a crater...
Mind you, mikehit has a point.
Quote: These rays were caused by chunks of rock that were ejected when something hits the Moon. And the freshness of these rays tells us that Tycho is young since there has been little time to erode them
Although young in this case is around 108 million years. It looks this fresh because erosion is non existent on the Moon. Older craters have been modified by later impacts and some have been flooded by basaltic lava but as the Moon has not been volcanically active for around 3 billion years these are very old craters indeed.
Thank you cambirder for this information.
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