News tagged with big bang

Heavyweight galaxies puzzle astronomers

(PhysOrg.com) -- Astronomers have discovered large galaxies some two thirds of the way back in time to the big bang. This surprising find casts doubt on theories of how the biggest galaxies form.

Apr 02, 2009
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'Dark energy' targeted in European space mission

So-called dark energy, believed to play a role in the accelerated expansion of the Universe, will be studied in a major science mission to be launched later this decade, the European Space Agency (ESA) said ...

Oct 04, 2011
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Ancient white dwarf stars

(PhysOrg.com) -- Pushing the limits of its powerful vision, NASA's Hubble Space Telescope uncovered the oldest burned-out stars in our Milky Way Galaxy in this image from 2002. These extremely old, dim "clockwork ...

Nov 03, 2011
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Stories of missions past: Early explorers

(PhysOrg.com) -- On September 29, 2011, NASA announced the short list for five potential new "Explorer class" spacecraft. These missions are by definition small and relatively inexpensive, designed to be led ...

Oct 27, 2011
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