... exposed. Astronomers suspect that these could be among the most massive white dwarfs of all, the remnants of stars slightly too ... their lives in a supernova explosion. After these new carbon white dwarfs were announced, Montgomery calculated that pulsations ...
... of the constellation Centaurus. The glowing ejecta are suspected to have been energized by a star that has now burned out and collapsed to a white dwarf ...
... and American astronomers who present these observations show that this white dwarf is among the hottest stars known ... . Although theory predicted the existence of such hot white dwarfs, the star nevertheless represents a challenge ...
... level of sensitivity, the faintest helium-core white dwarfs appear to be missing. "It's possible that these helium ... is that the oldest binaries containing helium-core white dwarfs have been destroyed by interactions with other stars in the cluster ...
(PhysOrg.com) -- A massive white dwarf star in our galaxy may become a supernova several million years from now, and could damage the Earth and possibly destroy life on Earth.
... to the Moon. The binary system consists of two white dwarfs. These are the burnt- out cinders of stars such as our Sun ... was indeed an interacting binary consisting of two white dwarfs and that the 5.4 minute period ...
... that were so bright, cosmologists wondered whether their white dwarfs had surpassed the Chandrasekhar limit. These supernovae ... the Nearby Supernova Factory, has measured the mass of the white dwarf star that resulted in one of these rare supernovae ...
... of scientists has precisely calculated the age of a group of white dwarf stars. The research results open up new opportunities for advancing our understanding of the evolution of stars ...
... in the X-rays from a neutron star that 'eats' a white dwarf. For the first time, the effects of extreme gravity are revealed by oxygen instead of iron atoms ...
... , in a recently published paper by Eric Agol from the University of Washington, the idea to expand the search to white dwarfs shows promise ...
... of telescopes that would make successive observations of a white dwarf as it progresses through the sky. "This could take ... in Chile, of which the UW is a founding partner. If it turns out that the number of white dwarfs with potential Earthlike planets is very ...
White Dwarfs Fancy a trip to Sirius? This is what you might see as you are approaching your destination. read more
... do stars like to snack on? In the case of the white dwarf star it would appear that a rocky body similar to Earth could be a preferred blend. At one time ...
... assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest ... have been cooling for billions of years." Kilic explains that white dwarf stars are the burned out cores of stars ...
... survey to date of the chemical composition of the atmospheres of white dwarf stars, the researchers found that the most frequently occurring ... that such low proportions of carbon have been measured in the atmospheres of white dwarf stars polluted by debris. Not only is this clear ...
