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NASA's Fermi Makes First Gamma-ray Study of a Gravitational Lens
An international team of astronomers, using NASA's Fermi observatory, has made the first-ever gamma-ray measurements of a gravitational lens, a kind of natural telescope formed when a rare cosmic al ... more
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Newfound planet is Earth-mass but gassy
An international team of astronomers has discovered the first Earth-mass planet that transits, or crosses in front of, its host star. KOI-314c is the lightest planet to have both its mass and physic ... more
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Newly discovered three-star system to challenge Einstein's theory of General Relativity
A newly discovered system of two white dwarf stars and a superdense pulsar-all packed within a space smaller than the Earth's orbit around the sun-is enabling astronomers to probe a range of cosmic ... more
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ALMA Spots Supernova Dust Factory
Striking new observations with the Atacama Large Millimeter/submillimeter Array (ALMA) telescope capture, for the first time, the remains of a recent supernova brimming with freshly formed dust. If ... more
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