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Physicist identifies mysterious core left by exploding star.



Byline: ANI

Washington, November 5 (ANI): A physicist from the University of Alberta in Canada has identified a mysterious core left by an exploding star.

The physicist in question is University of Alberta physics professor Craig Heinke.

A supernova supernova, a massive star in the latter stages of stellar evolution that suddenly contracts and then explodes, increasing its energy output as much as a billionfold.  (or exploding star), 20 times heavier than our sun blasted apart, leaving behind a small core that has puzzled astronomers Famous astronomers and astrophysicists include:

Directory: 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

A
  • Marc Aaronson (USA, 1950 – 1987)
  • George Ogden Abell (USA, 1927 – 1983)
 since its discovery in 1999.

Heinke and a colleague have identified the 20 kilometre-wide remnant of the supernova as a neutron star neutron star, extremely small, extremely dense star, about double the sun's mass but only a few kilometers in radius, in the final stage of stellar evolution. Astronomers Baade and Zwicky predicted the existence of neutron stars in 1933. .

It's the youngest neutron star ever identified, and its atmosphere, a thin layer of carbon, is one of a kind.

The supernova event that created the core happened just 330 years ago.

Heinke describes the core as being in its infancy compared to the much older neutron stars scientists have studied.

Because of this discovery, researchers now have access to the complete life cycle of a supernova, and will learn more about the role exploding stars play in the makeup makeup

In the performing arts, material used by actors for cosmetic purposes and to help create the characters they play. Not needed in Greek and Roman theatre because of the use of masks, makeup was used in the religious plays of medieval Europe, in which the angels' faces
 of the universe.

Most minerals found on Earth are the products of supernovae.

"This discovery helps us understand how neutron stars are born in violent supernova explosions," said Heinke.

"This neutron star was born so hot that nuclear fusion nuclear fusion

Process by which nuclear reactions between light elements form heavier ones, releasing huge amounts of energy. In 1939 Hans Bethe suggested that the energy output of the sun and other stars is a result of fusion reactions among hydrogen nuclei.
 happened on its surface, producing a carbon atmosphere just 10 centimeters thick," he added. (ANI)

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Publication:Asian News International
Date:Nov 5, 2009
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