News tagged with black holes

A new, public view of the sky

For the first time, scientists and the public are beginning to see the large-scale structure of the universe, thanks to the Sloan Digital Sky Survey. UA scientists provide scientific expertise and crucial ...

dateJan 07, 2015 in Astronomy
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10 facts about the Milky Way

The Milky Way Galaxy is an immense and very interesting place. Not only does it measure some 100,000–120,000 light-years in diameter, it is home to planet Earth, the birthplace of humanity. Our Solar System ...

dateDec 04, 2014 in Space Exploration
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'Blockbuster' science images

At this point, the blockbuster movie Interstellar has created such a stir that one would almost have to be inside a black hole not to know about it. And while the science fiction thriller may have taken some ...

dateNov 21, 2014 in Astronomy
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Black holes come to the big screen

The new movie "Interstellar" explores a longstanding fascination, but UA astrophysicists are using cutting-edge technology to go one better. They're working on how to take pictures of the black hole at the ...

dateNov 06, 2014 in Astronomy
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Chandra's archives come to life

Every year, NASA's Chandra X-ray Observatory looks at hundreds of objects throughout space to help expand our understanding of the Universe. Ultimately, these data are stored in the Chandra Data Archive, ...

dateOct 22, 2014 in Astronomy
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Black hole activity deduced from reflected X-rays

The supermassive black hole in the center of our galaxy, known as Sagittarius A*, is pretty quiet for a black hole. It does however flare up from time to time, when material is captured, as can be seen in ...

dateOct 03, 2014 in Astronomy
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The entropy of black holes

Yesterday I talked about black hole thermodynamics, specifically how you can write the laws of thermodynamics as laws about black holes. Central to the idea of thermodynamics is the property of entropy, which c ...

dateSep 12, 2014 in Astronomy
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