Ninth planet (disambiguation)
From Infogalactic: the planetary knowledge core
(Redirected from Planet 9)
Ninth planet, Planet Nine or Planet 9 is a term applied to many planets beyond Neptune. The term may also refer to:
Planets
- Pluto, considered to be the ninth planet from its discovery in 1930 until its reclassification as a dwarf planet in 2006
- Neptune, the ninth-closest planet from the Sun from 1979 to 1999 (with Pluto then considered the eighth-closest planet from the Sun)
- 2 Pallas, asteroid considered to be the ninth planet in chronological discovery order from 1802 until its reclassification as a minor planet in the 1850s
- Jupiter, considered the ninth-closest planet from the Sun from 1807 to 1845 as a result of the discovery of minor planets
- Planet Nine, a hypothetical large ninth planet in the Solar System first proposed in 2014
Other
- Planet 9 (record label), a record label
- The Secret of the Ninth Planet, a science fiction novel by Donald A. Wollheim
See also
- First planet (disambiguation)
- Second planet (disambiguation)
- Third planet (disambiguation)
- Fourth planet (disambiguation)
- Fifth planet (disambiguation)
- Sixth planet (disambiguation)
- Seventh planet (disambiguation)
- Eighth planet (disambiguation)
- Tenth planet (disambiguation)
- Eleventh planet
- Twelfth planet (disambiguation)
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This disambiguation page lists articles associated with the title Ninth planet.
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