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It might not look like much, but this image represents one of the most distant objects astronomers have ever seen, 12.9 billion light years away. It is a "Lyman-alpha blob" and is 55,000 light years across - as large as present-day galaxies...

2009-04-22

 cosmology galaxy astronomy astrophysics
Researchers at the Large Hadron Collider (LHC) are getting set to create the Big Bang on a miniature scale.

2010-11-03

 LHC physics astrophysics cosmology Big Bang
A controversial theory that challenges the existence of dark matter has been buoyed by studies of gas-rich galaxies.

2011-02-25

 cosmology galaxy Milky Way rotation dark matter gravity astrophysics physics
A new computer model of the way heat is emitted by various parts of the Pioneer spacecraft, and reflected off others, finally solves one of the biggest mysteries in astrophysics.

2011-03-31

 physics Pioneer spacecraft gravity heat space travel deceleration astrophysics graphics
A long-standing mystery about how dying stars spew out the material of future planets is now solved, scientists say.

2012-04-11

 dust star matter planet astronomy astrophysics explosion solar wind recycling light