| 释义 |
- See also
Fifth planet may refer to: - Jupiter, the fifth planet from the Sun in the Solar system
- Fifth planet (hypothetical), any of various hypothetical planets thought to have existed
- Fifth Planet (novel), a science fiction novel by Fred and Geoffrey Hoyle
- Planet V, a scientific proposal in 2002 for a destroyed fifth planet
- Mars, the fifth planet from Earth in the Ptolemaic geocentric model
- Ceres (dwarf planet), the dwarf planet orbiting between Mars and Jupiter in the asteroid belt
See also - First planet (disambiguation)
- Second planet (disambiguation)
- Third planet (disambiguation)
- Fourth planet (disambiguation)
- Sixth planet (disambiguation)
- Seventh planet (disambiguation)
- Eighth planet (disambiguation)
- Ninth planet (disambiguation)
- Tenth planet (disambiguation)
- Eleventh planet
- Twelfth planet (disambiguation)
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