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| 1 | |
What is the difference between a meteor, a meteoroid, and a meteorite? |
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| 2 | |
How do we know what asteroids are made of? |
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| 3 | |
Where are most asteroids found? |
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| 4 | |
What are Apollo asteroids? |
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| 5 | |
What shape are typical asteroids and how do we know? Why is Ceres not so shaped? |
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| 6 | |
What do asteroids tell us about the formation of the Solar System? |
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| 7 | |
What makes a “shooting star”? |
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| 8 | |
How is a meteor heated? |
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| 9 | |
What creates meteor showers? When do some occur? |
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| 10 | |
What is the Oort cloud? What is the Kuiper belt? |
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| 11 | |
What is the life history of a comet from the Oort cloud to an object we see? |
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| 12 | |
What creates a comet’s tail? |
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| 13 | |
Why are there two tails to some comets? |
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| 14 | |
How do we know asteroids have a composition similar to that of some meteorites? |
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| 15 | |
What evidence is there that the Earth has been hit by asteroids or comets? |
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| 16 | |
What was the Tunguska event? |
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| 17 | |
Why do some scientists believe that asteroids and comets play a role in mass extinctions? |
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