because they have no feet if you are looking for a riddle this might help if you are not i dont know a scientist answer.becaus feet are too big and the next big
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Math and Arithmetic+2
What was the month day and year of the Challenger disaster?Asked by Wiki UserThe shuttle challenger, disintegrated after launch, killing all seven astronauts on board on Tuesday, January,
Expériences S Capsules 28, 1986.