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Irrational

Irrational ideas include new ideas, the speculative, beliefs, and the disproven.

Oort Cloud

Rationally predicted, unconfirmed: The Oort Cloud is a theoretical vast sphere of icy objects believed to surround our solar system at distances ranging from about 2,000 to 100,000 astronomical units from the Sun. Conceived by the Dutch astronomer Jan Oort in 1950, this distant cloud is thought to be the source of long-period comets that […]

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