- a star that has collapsed under its own gravity to a diameter of about 10 to 15 km. It is composed mostly of neutrons, has a mass of between 1.4 and about 3 times that of the sun, and a density in excess of 1017 kilograms per cubic metre
| 单词 | neutron star |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 neu′tron star′, n.
Collins Concise English Dictionary © HarperCollins Publishers:: neutron star n
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