Sentences with phrase «ancient white dwarf stars»

So far, only about 10 percent of known pulsars are believed to be part of binary systems — most of them orbiting ancient white dwarf stars.

Not exact matches

A 21 - year study of a pair of ancient stars — one a pulsar and the other a white dwarf — helps astronomers understand how gravity works across the cosmos.
For the past two years, Winget and his colleagues at the University of Texas at Austin and Sandia National Laboratory in Albuquerque, New Mexico, have been creating searing plasmas that are, in effect, miniature versions of white dwarfs, ancient stars that have burned up all their nuclear fuel.
Peering deep into the Milky Way's crowded central hub of stars, Hubble researchers have uncovered for the first time a population of ancient white dwarfs — smoldering remnants of once - vibrant stars that inhabited the core.
a b c d e f g h i j k l m n o p q r s t u v w x y z