companion star

noun

, Astronomy.

1. companion ¹( def 6 ).

Word History and Origins

Origin of companion star¹

First recorded in 1775–85

Example Sentences

In a binary system, if the stars are close enough, the companion star can eat up materials from the supernova progenitor - the star about to go supernova.

From Space Scoop

Using a computer model, researchers explain that the intermediate distance between SN 2018ivc and its companion star caused a lot of interactions between them.

From Space Scoop

However, not all the material from the companion star falls onto the white dwarf during accretion.

From Space Scoop

Image: Artist’s impression of helium-rich material from a companion star accreting onto a white dwarf.

From Space Scoop

What happens when an ancient dying red-giant clashes with a shredded companion star?

From Space Scoop