white dwarf
white dwarf — noun
1. the very dense, compact star that remains after an ordinary star has used most o
the very dense, compact star that remains after an ordinary star has used most of its fuel.
In science class, Daichi learned that Sirius B is a white dwarf.
X is a white dwarf
After the larger star died, a white dwarf stayed at the center.
white dwarf as the remaining core
The telescope image showed a white dwarf beside the brighter star.
Kemi drew a life cycle chart that ends with a white dwarf.
At the astronomy club, Faisal explained why a white dwarf slowly cools.
- 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.