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| abstraction > hypothesis > theory > astronomy theory > planetary theory |
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| planetary theory comparison table | ||||||
| Subject | has author | is a kind of | has domain | has validity | has date | has definition |
|---|---|---|---|---|---|---|
| accumulation theory | or reasearch group | planetary theory | planet | correct or incorrect with caveats | or a range of dates for which the theory was active | The theory by which planetesimals are assumed to collide with one another and coalesce, eventually sweeping up enough material to form the planets. |
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