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dwarf star

天文学 | 化学 | 地球科学

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abstract: The term dwarf star refers to a variety of distinct classes of stars. The term was originally coined in 1906 when the Danish astronomer Ejnar Hertzsprung noticed that the reddest stars—classified as K and M in the Harvard scheme—could be divided into two distinct groups.

以上来源于: WordNet

1.
N any luminosity class V star, such as the sun, lying in the main sequence of the Hertzsprung-Russell diagram 矮星 (Also called main-sequence star) → see also red dwarf, white dwarf

It orbits a red dwarf star.

它绕着一颗红矮星运行。

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Gliese 581 is a red dwarf star 20.5 light-years from Earth.

格利泽581是一颗红矮星距离地球20.5光年。

youdao
Even for a red dwarf star, this is probably too close to be habitable.

即便是对于红矮星而言，这可能也太近了，生命无法居住。

youdao

更多双语例句

By running repeated computer simulations, he has worked out what would happen if a red-dwarf star were to pass through the solar system.

ECONOMIST: To the ends of the earth
Such a small M-dwarf star has long been ruled out by WISE data, since observers would surely have spotted an object larger than roughly five Jupiter masses.

FORBES: Sun May Still Have Low-Mass Solar Companion, Say Astrophysicists Searching NASA WISE Mission Data
These new models of failed supernovae demonstrate how both normal brightness and extremely dim supernovae are generated from the same basic picture of a nuclear-burning white dwarf star, he added.

FORBES: When A Supernova ... Fizzles

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