| 21. | Like many lunar craters, Grave has undergone some erosion due to subsequent impacts.
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| 22. | In the modern age, a lunar crater has been named Hippocrates.
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| 23. | The lunar crater " Volkov " is also named after him.
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| 24. | The lunar crater " Bernoulli " also honors the Swiss dynasty.
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| 25. | He is also honored by a lunar crater " Lick ".
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| 26. | The lunar crater " Tsiolkovskiy " is also named after him.
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| 27. | The lunar crater " Rosseland " is also named after him.
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| 28. | Generally speaking, a lunar crater is roughly circular in form.
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| 29. | Half of the Lunar Crater is on top of the large walled plain Fabry.
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| 30. | There is also a lunar crater called " Daedalus ".
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