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News About Extra Solar Planets
March 27, 2015
Planets in the habitable zone around most stars, calculate researchers
Copenhagen, Denmark (SPX) Mar 22, 2015
Astronomers have discovered thousands of exoplanets in our galaxy, the Milky Way, using the Kepler satellite and many of them have multiple planets orbiting the host star. By analysing these planetary systems, researchers from the Australian National University and the Niels Bohr Institute in Copenhagen have calculated the probability for the number of stars in the Milky Way that might have planets in the habitable zone. The calculations show that billions of the stars in the Milky Way will have o ... read more

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Our Solar System May Have Once Harbored Super-Earths
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ESA's CHEOPS Satellite: The Pharaoh of Exoplanet Hunting
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Some habitable exoplanets could experience wildly unpredictable climates
As telescopes of ever-greater power scan the cosmos looking for life, knowing where to look - and where not to waste time looking - will be of great value. New research by University of Washin ... more
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Scientists: Nearby Earth-like planet isn't just 'noise'
Astronomers are having a war of words across the Atlantic over the existence - or not - of the first exoplanet ever discovered in a star's habitable zone, the nearby GJ581d. ... more
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'Habitable' planet GJ 581d previously dismissed as noise probably does exist
The planet candidate was spotted using a spectrometer which measures the 'wobble', small changes in the wavelength of light emitted by a star, caused as a planet orbits it. In 2014 researchers revis ... more
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Exorings on the Horizon
Astronomers from the Harvard-Smithsonian Center for Astrophysics and the University of Antioquia (Medellin-Colombia), have devised a novel method for identifying rings around extrasolar planets (exo ... more
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Planet 'Reared' by Four Parent Stars
Growing up as a planet with more than one parent star has its challenges. Though the planets in our solar system circle just one star - our sun - other more distant planets, called exoplanets, can b ... more
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Planets Can Alter Each Other's Climates over Eons
A new study sheds light on how exoplanets in tightly-packed solar systems interact with each other gravitationally by affecting one another's climates and their abilities to support alien life. ... more
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The mystery of cosmic oceans and dunes
Simulations by researchers at Tokyo Institute of Technology and Tsinghua University indicate that Earth-like planets are more likely to be found orbiting Sun-like stars rather than lower-mass stars ... more
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Laser 'ruler' holds promise for hunting exoplanets
The hunt for Earth-like planets around distant stars could soon become a lot easier thanks to a technique developed by researchers in Germany. In a paper published 18 February in the Institute ... more
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Scientists predict earth-like planets around most stars
Planetary scientists have calculated that there are hundreds of billions of Earth-like planets in our galaxy which might support life. The new research, led by PhD student Tim Bovaird and Asso ... more
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"Vulcan Planets" - Inside-Out Formation of Super-Earths
NASA's Kepler telescope has discovered many strange, new worlds. None are stranger than the planetary systems that are commonly seen orbiting very close to their host star. These planets are typical ... more
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Smaller Gas Giants Could Support Life
Two phenomena known to inhibit the potential habitability of planets - tidal forces and vigorous stellar activity - might instead help chances for life on certain planets orbiting low-mass stars, ... more
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Habitable Evaporated Cores
I recently published a paper in Astrobiology that shows that it is possible to form Earth-mass potentially habitable planets from mini-Neptunes that migrate into the habitable zones of mid- to late ... more
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Dawn ahead!
NASA's Dawn spacecraft has returned the sharpest images ever seen of the dwarf planet Ceres. The images were taken 147,000 miles (237,000 kilometers) from Ceres on Jan. 25, and represent a new miles ... more
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Kepler astronomers discover ancient star with 5 Earth-size planets
Astronomers poring over four years of data from NASA's Kepler spacecraft have discovered a star that's 11.2 billion years old and has at least five Earth-size planets. "We thus show that Earth ... more
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Will NASA's TESS Spacecraft Revolutionize Exoplanet Hunting?
NASA's Transiting Exoplanet Survey Satellite (TESS), planned to be launched in August 2017 on a SpaceX Falcon 9 rocket from the Cape Canaveral Air Force Station, Florida, is designed to discover tho ... more
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Ancient star system has Earth-sized planets forming near start of universe
A Sun-like star with orbiting planets, dating back to the dawn of the Galaxy, has been discovered by an international team of astronomers. At 11.2 billion years old it is the oldest star with earth- ... more
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    New research re-creates planet formation in the lab
    New laser-driven compression experiments reproduce the conditions deep inside exotic super-Earths and giant planet cores, and the conditions during the violent birth of Earth-like planets, documenti ... more
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    Gigantic ring system around J1407b much larger, heavier than Saturn's
    Astronomers at the Leiden Observatory, The Netherlands, and the University of Rochester, USA, have discovered that the ring system that they see eclipse the very young Sun-like star J1407 is of enor ... more
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    Planets outside our solar system more hospitable to life than thought
    A study by astrophysicists at the University of Toronto suggests that exoplanets - planets outside our solar system - are more likely to have liquid water and be more habitable than we thought. ... more
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    Planetary building blocks evolved from porous to hard objects
    Australian Research Council, UK Science and Technology Facilities Council, Royal Society, UK Natural Environment Research Council, National Aeronautics and Space Administration. Thinking small has e ... more
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    Telescope To Seek Dust Where Other Earths May Lie
    The NASA-funded Large Binocular Telescope Interferometer, or LBTI, has completed its first study of dust in the "habitable zone" around a star, opening a new door to finding planets like Earth. Dust ... more
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    Three nearly Earth-size planets found orbiting nearby star
    NASA's Kepler Space Telescope, despite being hobbled by the loss of critical guidance systems, has discovered a star with three planets only slightly larger than Earth. The outermost planet orbits i ... more
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    Three-Planet System Holds Clues to Atmospheres of Earth-size Worlds
    Extrasolar planets are being discovered by the hundreds, but are any of these newfound worlds really like Earth? A planetary system recently discovered by the Kepler spacecraft will help resolve thi ... more
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    Meteorites weren't exactly the building blocks of young planets
    That meteorites and their collisions with early planetary masses played a predominant role in the formation of the early universe is a narrative popular among astronomers and the average high school science class. ... more
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