Dictionary.com
Thesaurus.com

Red Planet

British  

noun

  1. an informal name for Mars 2

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Chinese space manufacturing companies and scientists have previously pointed to the Red Planet as a potential destination for astronauts.

From Barron's • Mar. 26, 2026

Musk has often talked about colonizing the Red Planet in his lifetime, and at 54, that might be a technological stretch — though the billionaire claims otherwise.

From Los Angeles Times • Dec. 16, 2025

The satellites will map the magnetic fields, upper atmosphere and ionosphere of Mars in 3D, gathering data that will help humans land or even settle on the Red Planet.

From MarketWatch • Nov. 7, 2025

Like Earth, the Red Planet experiences seasonal shifts, and as northern summer ends, a swirling vortex forms above the pole and lingers until spring.

From Science Daily • Oct. 19, 2025

Called the Red Planet by early astronomers, Mars is actually sandy orange in color.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins