News tagged with universe

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How much of the universe is black holes?

We all fear black holes, but how many of them are there out there, really? Between the stellar mass black holes and the supermassive ones, just how much of our Universe is black holes?

dateJun 17, 2014 in Astronomy
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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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Why is Andromeda coming toward us?

I don't want to alarm you, but there's a massive galaxy heading our way and will collide with us in a few billion years. But aren't most galaxies speeding away? Why is Andromeda on a collision course with ...

dateJan 23, 2015 in Astronomy
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Why is space black?

Imagine you're in space. Just the floating part, not the peeing into a vacuum hose or eating that funky "ice cream" from foil bags part. If you looked at the Sun, it would be bright and your retinas would ...

dateDec 16, 2014 in Astronomy
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Planck reveals the dynamic side of the Universe

The Planck collaboration, which includes the CNRS, the French Alternative Energies and Atomic Energy Commission (CEA), the French National Space Agency (CNES) and several French universities and institutions, ...

dateFeb 11, 2015 in Astronomy
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College rankings go under the microscope

Parents, students and admissions officials have combed through college and university rankings for years. However, education researchers have largely ignored the controversial lists. That's about to change, according to a ...

dateApr 19, 2015 in Social Sciences
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