inner planet

[ in-er plan-it ]

/ ˈɪn ər ˈplæn ɪt /

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See synonyms for inner planet on Thesaurus.com

noun Astronomy.

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.

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Compare outer planet.

Origin of inner planet

First recorded in 1950–55

Words nearby inner planet

inner man, inner mission, Inner Mongolia, innermost, innermost intercostal muscle, inner planet, inner product, inner sanctum, innersole, inner space, innerspring

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use inner planet in a sentence

Rather, 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-Science
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-Science
The solar system’s inner planets, including Earth, could instead have formed through big collisions, he suspects.
The pebbled path to planets|Stephen Ornes|May 27, 2021|Science News For Students
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-Science

The 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
Andy Serkis, Dawn of the Planet of the Apes Do you want to be on the wrong side of history, Academy?
Oscars 2015: The Daily Beast’s Picks, From Scarlett Johansson to ‘Boyhood’|Marlow Stern|January 6, 2015|DAILY BEAST
In fact, Mexico buys and sells more US goods than any other country on the planet except for Canada.
Why Mexicans Are Enraged by Obama’s Big Tuesday Meeting|Ruben Navarrette Jr.|January 6, 2015|DAILY BEAST
Good for her—but what a shameful indictment of Planet Fashion.
One Vogue Cover Doesn’t Solve Fashion’s Big Race Problem|Danielle Belton|January 2, 2015|DAILY BEAST
Le Femme Finishing School helps transwomen find their inner beauty, no matter their age.
Inside A Finishing School for Transwomen|Sharon Adarlo|December 27, 2014|DAILY BEAST
With Batman and Planet of the Apes, you seem to be operating around 15 years ahead of the culture.
Tim Burton Talks ‘Big Eyes,’ His Taste For the Macabre, and the ‘Beetlejuice’ Sequel|Marlow Stern|December 17, 2014|DAILY BEAST
Eggs and nestlings were found lying on the bare soil at the inner ends of the burrows; no nesting material was found.
Summer Birds From the Yucatan Peninsula|Erwin E. Klaas
The inner ends of the burrows were enlarged with a depression in the floor, where the eggs were laid.
Summer Birds From the Yucatan Peninsula|Erwin E. Klaas
Reckoning that Neptune is the outermost planet of the solar system, that system would have a diameter of 5,584 millions of miles.
God and my Neighbour|Robert Blatchford
Cassini observed, by the position of certain spots, the revolution of the planet Venus on its axis.
The Every Day Book of History and Chronology|Joel Munsell
She was even meditating a retreat, inexplicably embarrassed, when an inner door opened and Lady Victoria entered.
Ancestors|Gertrude Atherton

British Dictionary definitions for inner planet

inner planet

noun

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

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.

inner planet

Origin of inner planet

Words nearby inner planet

Words related to inner planet

How to use inner planet in a sentence

British Dictionary definitions for inner planet

Scientific definitions for inner planet