solar mass

noun

: the mass of the sun used as a unit for the expression of the masses of other celestial objects and equal to about 2 × 1030 kilograms

Examples of solar mass in a Sentence

Recent Examples on the Web Even the littlest ones are big enough that researchers measure them in units of solar mass. Jackie Appel, Popular Mechanics, 21 Aug. 2023 The result, a neutron star, is approximately 1.3 to 2.5 solar masses — one solar mass is the mass of our sun, or about 330,000 Earths — crammed into a sphere measuring just 12 miles (20 kilometers) in diameter. Mindy Weisberger, Scientific American, 5 Jan. 2022 And so the missing solar mass worth of energy was radiated out across the universe as gravitational waves. Eric Betz, Discover Magazine, 1 June 2017 One solar mass is equal to the mass of the sun, about the mass of 333,000 Earths (or 1.989 x 10^30 kilograms, to be specific). Tim Newcomb, Popular Mechanics, 14 June 2022 Sahu says that if this solar mass black hole is 7.1 times the mass of our Sun, its event horizon (or its outer boundary) would be about 26 miles in diameter. Bruce Dorminey, Forbes, 11 June 2022 As the star dies in a supernova, protons and electrons in its core are crushed into a compressed solar mass that combines intense gravity with high-speed rotation and powerful magnetic forces, according to NASA. Mindy Weisberger, Scientific American, 5 Jan. 2022 One solar mass is the same mass as our Sun, roughly the mass of 330,000 Earths. Joshua Hawkins, BGR, 6 Jan. 2022 These could have as little as 1 percent of a solar mass, whereas the vast majority of black holes detected by LIGO so far weigh more than 10 solar masses. Steve Nadis, Wired, 23 May 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'solar mass.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of solar mass was in 1941

Dictionary Entries Near solar mass

Cite this Entry

“Solar mass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20mass. Accessed 16 Apr. 2024.

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