News tagged with big bang

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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Will the Big Bang go backwards?

Imagine the Big Bang in your mind. You're picturing galaxies hurtling past in all directions, like so much star shrapnel from a celestial pinata.

dateSep 08, 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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Five myths about gravitational waves

The scientists behind the BICEP2 (Background Imaging of Cosmic Extragalactic Polarization) telescope, last year made an extraordinary claim that they had detected gravitational waves, which are ripples in space-time. Initially ...

dateSep 07, 2015 in Astronomy
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Space... the final frontier

Fifty years ago Captain Kirk and the crew of the starship Enterprise began their journey into space—the final frontier. Now, as the newest Star Trek film hits cinemas, the NASA/ESA Hubble space telescope is also exploring ...

dateJul 21, 2016 in Astronomy
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Cosmic ray observatory to expand

Physicists plan a $6.4 million expansion of the $25 million Telescope Array observatory in Utah so they can zero in on a "hotspot" that seems to be a source of the most powerful particles in the universe: ultrahigh-energy ...

dateJun 15, 2015 in Astronomy
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