Question 1
The solar wind is comprised of mostly ___.
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Solar System's cosmic year is ___ .
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The Oort cloud is the source of ___ .
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The asteroid belt lies between ___ .
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The Sun contains ___ of the Solar System's mass.
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The gas giant planets consist mostly of ___ .
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Plutoids are the dwarf planets that orbit in the ___ .
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The terrestrial planets consist mostly of ___ .
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Answer question 8 to unlock
Pluto is a ___ .
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Answer question 9 to unlock
The inner Solar System consists of ___ .
correct answers
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