Red Planet
noun
the Red Planet an informal name for Mars 2 (def. 1)
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Exoplanets And Planets: The Truth Is Out ThereExoplanets are in the news, and not just because Google did a doodle on them, either. On February 22, 2017, news of the discovery of seven new exoplanets was announced by NASA. This may be a new word for you non-NASA geeks out there. Let’s examine the difference between planets and exoplanets. A planet is sometimes also called a major planet. It’s any of the …
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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