News tagged with cosmic background

Water was plentiful in the early universe

Astronomers have long held that water—two hydrogen atoms and an oxygen atom—was a relative latecomer to the universe. They believed that any element heavier than helium had to have been formed in the cores of stars and ...

dateMay 13, 2015 in Astronomy
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What shape is the universe?

The universe. It's the only home we've ever known. Thanks to its intrinsic physical laws, the known constants of nature, and the heavy-metal-spewing fireballs known as supernovae we are little tiny beings held fast to a spinning ...

dateMay 12, 2015 in Astronomy
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The cosmic evolution of galaxies

Our knowledge of the big bang has increased dramatically in the past decade, as satellites and ground-based studies of the cosmic microwave background have refined parameters associated with the very early universe, achieving ...

dateMay 11, 2015 in Astronomy
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Brian Schmidt discusses the fast-firing universe

In 1998, a team led by a former Harvard graduate student shocked the astrophysics world by publishing results that said the expansion of the universe, believed to be gradually slowing, was instead accelerating.

dateApr 28, 2015 in Astronomy
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