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Study
Oxford Discover 4 unit 1
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What is it?
spacecraft
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What is it?
galaxy
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Okay!
What is it?
observatory
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What is it?
solar system
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Okay!
What is it?
universe
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Okay!
What is it?
comet
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Okay!
What is it?
telescope
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What is it?
meteor
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Okay!
What are they?
stars
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Okay!
What is it?
asteroid
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Okay!
What is it?
moon
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Okay!
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