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Space & Beyond
vocab.
Question | Answer |
---|---|
the layer of gases surrounding the Earth that helps support life | atmosphere |
the imaginary line that connects the North and South Poles, the earth rotates on it | axis |
very large grouping of stars | galaxy |
the force that acts without phsical contact to pull two objects toward each other | gravity |
having to do with the moon | lunar |
having to do with the sun | solar |
the northern half of the globe | Northern Hemisphere |
the southern half of the globe | Southern Hemisphere |
to spin around in place; turn on its axis | rotation |
the path a planet or moon takes around something else | orbit |
the TIME it takes to complete one orbit (trip around something) | revolution |