white dwarf

IPA/ˌwaɪt ˈdwɔːf/
IPA/ˌwaɪt ˈdwɔːrf/

white dwarf — 名詞

1. the very dense, compact star that remains after an ordinary star has used most o

1.名詞C1
釋義

白矮星

老恆星留下的高密度小恆星

the very dense, compact star that remains after an ordinary star has used most of its fuel.

例句

In science class, Daichi learned that Sirius B is a white dwarf.

Daichi 在自然課上學到天狼星 B 是一顆白矮星。

X is a white dwarf

After the larger star died, a white dwarf stayed at the center.

那顆較大的恆星走向終點後,中心留下了一顆白矮星。

white dwarf as the remaining core

同義詞
  • dwarf star

    technical alternative, though some writers use it more broadly for several small-star types

  • stellar remnant

    broader scientific term for material left after a star changes or dies

文法句型

a white dwarf

orbit a white dwarf

white dwarf beside a larger star

用法筆記

Mainly used in astronomy and science teaching. Writers often mention the star it came from or contrast it with a red giant or a neutron star.

常見錯誤

A white dwarf is a planet near the end of its life.
A white dwarf is a star near the end of its life.
💡It is a kind of star, not a planet.