Phaeton is a hypothetical planet hypothesized by the Titius–Bode law to have existed between the orbits of Mars and Jupiter, the destruction of which supposedly led to the formation of the asteroid be
Sturz des Phaeton (Fall of the Phaeton) by Johann Michael Franz
Heinrich Wilhelm Matthäus Olbers, who formulated the planet Phaeton hypothesis
Fifth planet (hypothetical)
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In the history of astronomy, a handful of Solar System bodies other than Jupiter have been counted as the fifth planet from the Sun. Various hypotheses have also postulated the former existence of a f
Phaeton (hypothetical planet)
…catastrophic fires and floods in Africa and elsewhere. Hypotheses regarding the formation of the asteroid belt from the destruction of a hypothetical fifth planet are today collectively referred to as "the disruption theory". These hypotheses state that there was once a major planetary member of the Solar System…
Ceres, the only dwarf planet in the asteroid belt, was once categorized as a planet.