News tagged with white dwarf star

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Solar systems around dead Suns?

(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting ...

Apr 20, 2009 4.6 / 5 (16) 3

Hubble watching ancient orbs

(Phys.org)—This sparkling picture taken by the NASA/ESA Hubble Space Telescope shows the center of globular cluster M 4. The power of Hubble has resolved the cluster into a multitude of glowing orbs, each ...

Sep 08, 2012 4.6 / 5 (14) 4 | with audio podcast

Supernovae mystery solved

(PhysOrg.com) -- Supernovae are gigantic stellar explosions that can be seen across the entire universe. Type Ia supernovae are a relatively homogeneous class of stellar explosions, which researchers use as ...

Jun 30, 2010 4.5 / 5 (14) 6 | with audio podcast