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inner planet
(redirected from inner planets)

   Also found in: Dictionary/thesaurus 0.01 sec.
inner planet [¦in·ər ′plan·ət]
(astronomy)
Any of the four planets (Mercury, Venus, Earth, and Mars) in the solar system whose orbits are closest to the sun.


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Byline: ANI London, June 11 (ANI: A new analysis of craters of the Moon has suggested that the shattered remnants of a dwarf planet may have bombarded the inner planets in the early solar system.
After that, the Sun will likely expand into a red giant, engulfing Earth and its other inner planets -- Mercury, Venus and Mars -- in the process.
NICMOS could not see the other two planets because its coronagraphic spot (a device which blots out the glare of the star) also interferes with observing the two inner planets.
 
 
 
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