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1.
What do scientists call meteors that reach Earth?
2.
Where is the Meteor Crater, a hole about 4,180 feet (1,275 meters) across and 570 feet (175 meters) deep, located?
3.
According to scientists, the most brilliant meteor shower of known history took place in what year?
4.
At what distance above Earth do most meteors become visible to the human eye?
5.
What do scientists often call the brightest meteors? These meteors are as bright as Jupiter or Venus in the night sky.
6.
What type of meteorite consists of minerals rich in silicon and oxygen?
