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Circulation of LHC Beams Could Resume in Earnest over the Weekend

The Large Hadron Collider , the world's most powerful particle accelerator, is drawing near to its long-awaited reboot. More than a year after the European collider's initial start-up was quashed by a helium leak caused by a faulty electrical connection , particle beams have been injected into the collider, known as the LHC, and may be guided fully through its rings in the coming hours.
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Novel Nova: Stellar Blast Powered by Helium May Leave a Tantalizing Remnant
The first so-called helium nova, the possible result of a large white dwarf sucking material from a hydrogen-deficient companion star, may be a precursor to a supernova
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Colliding White Dwarfs May Mimic Supernovae Used to Gauge Astronomical Distances
A new path to detonate "standard candle" type Ia supernovae further muddles their origins
News
Tweak Gravity: What If There Is No Dark Matter?
Modifications to the theory of gravity could account for observational discrepancies, but not without introducing other complications
Observations
Stellar deal: NASA awards $2 million to X PRIZE winners for helping develop a lunar lander

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