News tagged with cosmic microwave background

SPIDER experiment touches down in Antarctica

After spending 16 days suspended from a giant helium balloon floating 115,000 feet above Antarctica, a scientific instrument dubbed SPIDER has landed in a remote region of the frozen continent. Conceived of and built by an ...

dateJan 22, 2015 in Space Exploration
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Experts cast doubt on Big Bang bolstering discovery

Astrophysicists are casting doubt on what just recently was deemed a breakthrough in confirming how the universe was born: the observation of gravitational waves that apparently rippled through space right after the Big Bang.

dateJun 14, 2014 in Astronomy
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What is the geometry of the universe?

One of the big questions in cosmology regards the shape of the universe. "Shape" in this case is not the distribution of galaxies, but rather the shape of space and time itself. In general relativity, space and time can be ...

dateSep 24, 2014 in Astronomy
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