chromosphere

noun
chro·​mo·​sphere | \ ˈkrō-mə-ˌsfir How to pronounce chromosphere (audio) \

Definition of chromosphere

: the region of the atmosphere of a star (such as the sun) between the star's photosphere and its corona

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Other Words from chromosphere

chromospheric \ ˌkrō-​mə-​ˈsfir-​ik How to pronounce chromospheric (audio) , -​ˈsfer-​ How to pronounce chromospheric (audio) \ adjective

Examples of chromosphere in a Sentence

Recent Examples on the Web She and her colleagues scoured data from 2,700 nearby sunlike stars and found that 39 appeared to be missing their chromospheres. Shannon Hall, Scientific American, "Newfound "Ablating" Exoplanets Could Reveal Alien Geology," 23 Dec. 2019 The hot, outer layers of its atmosphere known as the chromosphere appeared to be missing. Shannon Hall, Scientific American, "Newfound "Ablating" Exoplanets Could Reveal Alien Geology," 23 Dec. 2019 The chromosphere and corona make up the sun's the solar atmosphere. Jennifer Leman, Popular Mechanics, "The Sun: The Life-Giving Magnet in the Sky," 3 Nov. 2019 At any given moment, part of the sun's atmosphere, known as the chromosphere, is filled with up to 10 million spicules that usually last under 10 minutes. Jason Daley, Smithsonian, "Millions of Plasma ‘Spicules’ Could Explain the Extreme Heat of the Sun’s Atmosphere," 15 Nov. 2019 Mariona Badenas, 25, of Spain, walked past, heading for the observatory, where a special telescope allows her to look at the sun’s chromosphere, or second layer of atmosphere. David Kelly, latimes.com, "Life on Mars gets a test run in the Utah desert," 23 June 2019 But because Earth would cover more of the space surrounding the sun, lunar residents wouldn’t be able to see the chromosphere — the fiery region of high-energy flares ejecting from the sun’s surface. Matthew Cappucci, Washington Post, "A stunning solar eclipse visits the moon Wednesday during the lunar eclipse on Earth," 30 Jan. 2018 Eclipses can help researchers explore the difficult-to-see chromosphere—a thin layer at the base of the sun’s corona. Jason Daley, Smithsonian, "Will You See August’s Great Eclipse? This New Tool Helps You Find Out," 21 June 2017 Eclipses can help researchers explore the difficult-to-see chromosphere—a thin layer at the base of the sun’s corona. Jason Daley, Smithsonian, "Will You See August’s Great Eclipse? This New Tool Helps You Find Out," 21 June 2017

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

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First Known Use of chromosphere

1868, in the meaning defined above

History and Etymology for chromosphere

chromo- + sphere entry 1

Note: Term introduced by the English astronomer J. Norman Lockyer (1836-1920) in "Spectroscopic Observations of the Sun. No. II…Read November 19 and 26, 1868," Philosophical Transactions of the Royal Society of London, vol. 159 for the year 1869, p. 430.

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Time Traveler for chromosphere

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The first known use of chromosphere was in 1868

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Cite this Entry

“Chromosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chromosphere. Accessed 5 Jul. 2020.

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Rhyming Dictionary: Words that rhyme with chromosphere

Britannica.com: Encyclopedia article about chromosphere

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