News Briefs

  • A new study indicates that the approach of Comet C/2012 S1 ISON may not be as spectacular as scientists first thought. It is possible that the comet will disintegrate as it nears the Sun.
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  • X-ray observations have been used to observe a transiting exoplanet for the first time. The discovery is important because using X-rays to spot a planet can reveal additional information about the planet's properties.
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  • Scientists have long questioned the identity of 'centaurs,' the small celestial bodies orbiting between Jupiter and Neptune. A new study indicates that most of these objects are comets.
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  • A new study could explain a 135-year-old mystery concerning how small, glassy spherules become embedded in meteorites called chondrites.
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  • Pela primeira vez, astrônomos determinaram a cor de um planeta orbitando outra estrela. De perto, o planeta seria de um azul cobalto profundo similar à Terra. No entanto, ao invés de oceanos, a atmosfera do gigante gasoso é responsável por sua cor impactante.
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  • For the first time, astronomers have determined the true color of a planet orbiting another star. Up close, the planet would be a deep cobalt blue reminiscent of Earth. However, instead of oceans, the gas giant's atmosphere is responsible for its striking color.
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  • Astronomers have determined the true size and mass of a super-Earth planet orbiting a nearby star.
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  • A new study shows one way in which the rubble and dust covering the surface of asteroids and comets might behave differently than particles on Earth.
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  • Astronomers have discovered two planets orbiting Sun-like stars in crowded cluster of stars. Previously, dense star clusters were thought to be an unlikely place for planets to form and survive.
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  • By combining observations and existing data, astronomers have discovered that the star Gliese 667C is orbited by between five and seven planets. Three of the planets are super-Earths that rest in the star's habitable zone.
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