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How hypergravity impacts electric arcs
Arc discharges are common in everyday conditions like welding or in lightning storms. But in altered gravity, not as much is known about the behaviour of electric discharges.
For the first tim ... more
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Powerful ancient explosions explain new class of supernovae
Astronomers affiliated with the Supernova Legacy Survey (SNLS) have discovered two of the brightest and most distant supernovae ever recorded, 10 billion light-years away and a hundred times more lu ... more
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Massive stars mark out Milky Way's 'missing' arms
A 12-year study of massive stars has reaffirmed that our Galaxy has four spiral arms, following years of debate sparked by images taken by NASA's Spitzer Space Telescope that only showed two arms. ... more
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NASA Releases New Earthrise Simulation Video
NASA has issued a new visualization of the events leading to one of the iconic photographs of the 20th Century - Earth rising over the moon captured by the crew of the Apollo 8 mission.
The photo k ... more
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