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An eroded remnant of a large, ancient crater made by the impact of a meteorite or comet.
There is an astrobleme located in that area. It is the main attraction.
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by Your_real_name_391 June 17, 2018
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The scar left on the earth from a space mass such as an asteroid, meteor, meteorite etc.
Jolexie: Did you know one of the biggest astroblemes was uncovered in Antarctica?
Ada: No I did not.
by The emo kid across the street November 14, 2017
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