英语词汇“main sequence”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

main sequence

noun Astronomy

A series of types to which most stars belong, represented on a Hertzsprung-Russell diagram as a continuous band extending from the upper left (hot, bright stars) to the lower right (cool, dim stars): [as modifier]: main sequence stars...

The pressure from these nuclear reactions at the star's core balances the pull of gravity, and the star is now called a main sequence star.
The Sun is an unusually variable star for its position on the main sequence, something that might explain why Intelligent life is found here, and not everywhere.
Several million years is a long time in comparison to a human life span, but it is short in comparison to the life span of main sequence stars.

单词	main sequence
释义	main sequence noun Astronomy A series of types to which most stars belong, represented on a Hertzsprung-Russell diagram as a continuous band extending from the upper left (hot, bright stars) to the lower right (cool, dim stars): [as modifier]: main sequence stars... The pressure from these nuclear reactions at the star's core balances the pull of gravity, and the star is now called a main sequence star. The Sun is an unusually variable star for its position on the main sequence, something that might explain why Intelligent life is found here, and not everywhere. Several million years is a long time in comparison to a human life span, but it is short in comparison to the life span of main sequence stars.
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