red star

noun

Definition of red star

: a star having a very low surface temperature and a red color

Examples of red star in a Sentence

Recent Examples on the Web

Kreidberg and her colleagues’ findings, appearing today in Nature, could be seen as a mark against the idea that planets around small red stars could provide a nurturing environment. — Adam Mann, Scientific American, "Scientists Mull the Astrobiological Implications of an Airless Alien Planet," 19 Aug. 2019 This bright red star is the most brilliant member of Scorpius the Scorpion. — Arnold Pearlstein, sun-sentinel.com, "The Stars This Week: July 7 - 13," 7 July 2019 The moon passes near the bright red star Aldebaran on Sunday morning before sunrise. — Arnold Pearlstein, sun-sentinel.com, "The Stars This Week: June 23-29," 23 June 2019 Israel refused to adopt either the red cross or the red crescent, and the ICRC refused to recognize a red star of David as one of its symbols. — Matt Ford, The New Republic, "Neil Gorsuch Scorns the “Offended” Atheists," 21 June 2019 Gaze toward the west after darkness falls to see ruddy Mars approaching the much brighter red star Aldebaran, also known as the eye of Taurus, the bull. — Andrew Fazekas, National Geographic, "Spring meteor shower, and more top star-gazing events in April," 1 Apr. 2019 When researchers announced the discovery of seven planets that closely orbit the cool red star TRAPPIST-1 in February, there was a rush to learn more about the little rocky worlds and find out if any might be habitable. — Sarah Lewin, Scientific American, "Only One of TRAPPIST-1's Rocky Planets May Be Right for Life," 6 Apr. 2017 The moon shines above and to the right of the red star Antares. — Arnold Pearlstein, sun-sentinel.com, "The Stars this Week: June 9-15," 9 June 2019 From their headquarters in an administration building (red star), LPS’s security team can view live video and audio, see which doors are locked or open, and remotely trigger lockdown alarms for any school. — Lara Sorokanich, Popular Mechanics, "What Littleton Learned," 1 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'red star.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Dictionary Entries near red star

red-stalk aster

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Last Updated

22 Aug 2019

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Time Traveler for red star

The first known use of red star was in 1849

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