inner planet
any of the planets in our solar system whose orbits lie between the sun and the asteroid belt, namely, Mercury, Venus, Earth, and Mars, all of which are terrestrial planets.
Origin of inner planet
1- Compare outer planet.
Words Nearby inner planet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use inner planet in a sentence
With that likelihood in mind, the group concludes that this plentiful type of inner planet could host alien microbes, and that any lifeforms on these worlds would alter their atmospheres in ways that astronomers will soon be able to detect with ease.
‘Hycean’ exoplanets could be home to the alien life we’ve been searching for | Charlie Wood | August 26, 2021 | Popular-ScienceRather, the garden-variety inner planet seems to fall somewhere between a rocky dwarf and a gassy giant.
‘Hycean’ exoplanets could be home to the alien life we’ve been searching for | Charlie Wood | August 26, 2021 | Popular-ScienceThe solar system’s inner planets, including Earth, could instead have formed through big collisions, he suspects.
Researchers are still working out the details of why this happens, but the general theory is that inner planets tend to run hotter, which boils away their gassy atmospheres, leaving mainly rocky cores behind.
These 6 exoplanets somehow orbit their star in perfect rhythm | Charlie Wood | January 27, 2021 | Popular-ScienceThe flow of gas changes and creates a pileup interior to the inner planet’s orbit, which acts to push both planets outward.
The Sight of Jupiter and Saturn Together Is a Beautiful Thing - Facts So Romantic | Sean Raymond & Sebastiaan Krijt | December 21, 2020 | Nautilus
Meadows began to play inner planet combinations that occasionally paid, though at short odds.
Fee of the Frontier | Horace Brown Fyfe"The most probable one is the next inner planet, Aphrodite," replied Morey.
Islands of Space | John W CampbellThe inner planet revolved about it with one side glowing low red heat and the other side piled high with frozen atmosphere.
Talents, Incorporated | William Fitzgerald Jenkins
British Dictionary definitions for inner planet
any of the planets Mercury, Venus, earth, and Mars, whose orbits lie inside the asteroid belt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for inner planet
Any of the four planets Mercury, Venus, Earth, and Mars, whose orbits lie nearest the Sun. The inner planets are of similar size and have high densities compared to the larger gas giants among the outer planets. They are composed mostly of rock and metal and are relatively slow to rotate, with solid surfaces, no rings, and few moons. Also called terrestrial planet Compare outer planet. See also inferior planet.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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