Thursday, October 9, 2014

ScienceDaily: Stars News

ScienceDaily: Stars News


Astronomers see right into heart of exploding star

Posted: 08 Oct 2014 11:11 AM PDT

Astronomers have been able to see into the heart of an exploding star, by combining data from telescopes that are hundreds or even thousands of kilometers apart. 

Impossibly bright dead star: X-ray source in the Cigar Galaxy is the first ultraluminous pulsar ever detected

Posted: 08 Oct 2014 10:34 AM PDT

Astronomers working with NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) have found a pulsating dead star beaming with the energy of about 10 million suns. The object, previously thought to be a black hole because it is so powerful, is in fact a pulsar -- the incredibly dense rotating remains of a star.

Hungry black hole eats faster than thought possible

Posted: 08 Oct 2014 10:13 AM PDT

Astronomers have discovered a black hole that is consuming gas from a nearby star 10 times faster than previously thought possible. The black hole -- known as P13 -- lies on the outskirts of the galaxy NGC7793 about 12 million light years from Earth and is ingesting a weight equivalent to 100 billion billion hot dogs every minute.

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