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"Planet X" is a temporary title given to a newly discovered planet with no official designation. The title is dispensed with once a planet is given a permanent designation. There is no specific planet called "Planet X." Several planets, including Pluto, have been called this before being named.
Believers of the Nibiru Cataclysm Theory sometimes claim that "Planet X" is the name that NASA has given "Nibiru," a mythical planet-like object, as part of a cover up.
As 'Planet X' might be any planet, it might be any size.
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∙ 11y ago
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Which planet is the smallest?
The smallest planet is MercuryMercury
Is Saturn the largest planet or the smallest planet?
it is the smallest planet
Is earth the smallest terrestrial planet?
No, Earth is not the smallest terrestrial planet. Mercury is the smallest terrestrial planet.
Is the smallest planet known?
Pluto used to be the smallest planet, but it was deemed to not be a planet. The smallest planet now is Mercury within our Solar System
What is the 2nd smallest planet after Mercury?
Mars is the second smallest planet, Mercury is the smallest.
What planet used to be the second smallest planet?
Mercury was listed as the second smallest planet. Since Pluto lost its status as a planet Mercury is now the smallest planet.
What is the smallest planet and what is the farthest planet from the sun?
Mercury is the smallest of the eight planets, but is the closest. The furthest planet is Neptune, but its not the smallest.
Is Charon the smallest planet?
No. Charon is not a planet; it is the largest moon of the dwarf planet Pluto. The smallest planet is Mercury.
Which is the smallest planet in your slat system?
The smallest recognized planet is Mercury.
Is Mars the largest or the smallest planet?
Neither. Mars is the second smallest planet in the solar system. Mercury is the smallest. Jupiter is the largest.
What is the smallest planet in our solar system and what is the farthest planet from the sun?
The smallest planet is mercury, and the planet farthest from the sun is Neptune.
Is Venus the largest or smallest planet?
Venus is the third smallest planet of the eight. Mercury is the smallest, Mars is the next smallest, then Venus.
