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News About Extra Solar Planets
April 24, 2015
First exoplanet visible light spectrum
Munich, Germany (SPX) Apr 24, 2015
The exoplanet 51 Pegasi b [1] lies some 50 light-years from Earth in the constellation of Pegasus. It was discovered in 1995 and will forever be remembered as the first confirmed exoplanet to be found orbiting an ordinary star like the Sun [2]. It is also regarded as the archetypal hot Jupiter - a class of planets now known to be relatively commonplace, which are similar in size and mass to Jupiter, but orbit much closer to their parent stars. Since that landmark discovery, more than 1900 exoplan ... read more

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Astronomers Find Details about Star Formation in Ancient Galaxy Protoclusters

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Spitzer, OGLE spot planet deep within our galaxy
NASA's Spitzer Space Telescope has teamed up with a telescope on the ground to find a remote gas planet about 13,000 light-years away, making it one of the most distant planets known. The disc ... more
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An exoplanet with an infernal atmosphere
As part of the PlanetS National Centre of Competence in Research (NCCR), astronomers from the Universities of Geneva (UNIGE) and Bern, Switzerland, have come to measure the temperature of the atmosp ... more
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Hot and Stormy at High Altitudes on Exoplanet HD 189733b
Studying the atmosphere of an exoplanet, Swiss astronomers derived a temperature profile with unprecedented precision. Their results are based on data collected with a relatively small ground-based ... more
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Small solar eruptions can have profound effects on unprotected planets
While no one yet knows what's needed to build a habitable planet, it's clear that the interplay between the sun and Earth is crucial for making our planet livable - a balance between a sun that prov ... more
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The Solar System and Beyond is Awash in Water
As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, ye ... more
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Earthlike 'Star Wars' Tatooines may be common
Luke Skywalker's home in "Star Wars" is the desert planet Tatooine, with twin sunsets because it orbits two stars. So far, only uninhabitable gas-giant planets have been identified circling such bin ... more
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Planets in the habitable zone around most stars, calculate researchers
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 planeta ... more
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Our Solar System May Have Once Harbored Super-Earths
Long before Mercury, Venus, Earth, and Mars formed, it seems that the inner solar system may have harbored a number of super-Earths - planets larger than Earth but smaller than Neptune. If so, those ... more
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SOFIA Finds Missing Link Between Supernovae and Planet Formation
Using NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA), an international scientific team discovered that supernovae are capable of producing a substantial amount of the material from ... more
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ESA's CHEOPS Satellite: The Pharaoh of Exoplanet Hunting
Just like the Pharaoh Cheops, who ruled the ancient Old Kingdom of Egypt, ESA's CHaracterising ExOPlanet Satellite (CHEOPS) could be someday ruling in the field of exoplanet hunting. It will be the ... more
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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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