Chapter 1. Crater Formation on the Moon

Crater Formation on the Moon

Interactive Exercise
Moon Phases

Crater Formation on the Moon

Question

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Crater Formation on Moon Image
{"title":"Cratering of highlands","description":"Early heavy bombardment cratered the entire Moon. The lunar highlands are relics of this period.","type":"correct","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"114,49,17\"}]"} {"title":"Formation of maria","description":"Incorrect. Try again.","type":"incorrect","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"153,125,17\"}]"} {"title":"Very light bombardment","description":"Incorrect. Try again.","type":"incorrect","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"292,228,18\"}]"}

Question

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Crater Formation on Moon Image
{"title":"Cratering of highlands","description":"Incorrect. Try again.","type":"incorrect","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"114,49,17\"}]"} {"title":"Formation of maria","description":"Incorrect. Try again.","type":"incorrect","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"153,125,17\"}]"} {"title":"Very light bombardment","description":"There has been very little bombardment during the past 3.8 billion years.","type":"correct","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"292,228,18\"}]"}

Question

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Crater Formation on Moon Image
{"title":"Cratering of highlands","description":"Incorrect. Try again.","type":"incorrect","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"114,49,17\"}]"} {"title":"Formation of maria","description":"Late heavy bombardment between 4.0 and 3.8 billion years ago created giant impact basins that became the maria.","type":"correct","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"153,125,17\"}]"} {"title":"Very light bombardment","description":"Incorrect. Try again.","type":"incorrect","color":"#999999","code":"[{\"shape\":\"circle\",\"coords\":\"292,228,18\"}]"}

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