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white dwarf stars News

Hubble telescope photos reveal presence of 'zombie stars'

Scientists examining images recorded by NASA's Hubble telescope have discovered evidence of "zombie stars,' a star created by a little known form of supernova.

Remarkable discovery of 'Earth-sized diamond' white dwarf star

Charlottesville - A team of US-based astronomers has identified an ancient stellar remnant, a white dwarf star so cool that it’s caused carbon to crystallize effectively producing an Earth-sized diamond in space.

Astronomers solve decades old celestial archaeology mystery

Leicester - New research from an international team of astronomers from the UK's University of Leicester and the University of Arizona sheds light on how stars reaching the end of their useful life and collapsing in on themselves become polluted.

Study: Four white dwarf stars swallowing up Earth-like exoplanets

Warwick - Astrophysicists at the University of Warwick have discovered four white dwarf stars that are surrounded by cosmic dust from shattered planetary bodies. One star is in the process of consuming an Earth-like exoplanet.
 

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Artist s Impression of Debris around a White Dwarf Star - what our solar system might look like bill...
Artist's Impression of Debris around a White Dwarf Star - what our solar system might look like billions of years hence after the Sun has exhausted its store of hydrogen and become a white dwarf.
NASA, ESA, STScI, and G. Bacon (STScI)
image:182062:0::0
Artist s Impression of a Massive Asteroid Belt in Orbit around a Star. A news study shows that simil...
Artist's Impression of a Massive Asteroid Belt in Orbit around a Star. A news study shows that similar rubble around many white dwarfs contaminates these stars with rocky material and water.
NASA-JPL / Caltech / T. Pyle (SSC)
image:182063:0::0
Pushing the limits of its powerful vision  NASA s Hubble Space Telescope uncovered the oldest burned...
Pushing the limits of its powerful vision, NASA's Hubble Space Telescope uncovered the oldest burned-out stars in our Milky Way Galaxy. These extremely old, dim "clockwork stars" provide a completely independent reading on the age of the universe.
Image credit: NASA and H. Richer (University of British Columbia)
image:95693:0::0
Artist s impression of a white dwarf star in orbit with pulsar PSR J2222-0137. It may be the coolest...
Artist's impression of a white dwarf star in orbit with pulsar PSR J2222-0137. It may be the coolest and dimmest white dwarf ever identified.
B. Saxton (NRAO/AUI/NSF)
image:194833:2::0

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