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trapecia [35]
2 years ago
13

Why do astronomers believe there is a 9th planet

Geography
1 answer:
iren2701 [21]2 years ago
6 0

Answer:

There are gravitational effects causing a cluster of orbits for a group of ETNOs, this is high evidence there is a 9th planet past Neptune.

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C. a diversely populated country

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6 0
3 years ago
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