More to life than the habitable zone
Two separate teams of scientists have identified major challenges for the development of life in what has recently become one of the most famous exoplanet systems, TRAPPIST-1.
Two separate teams of scientists have identified major challenges for the development of life in what has recently become one of the most famous exoplanet systems, TRAPPIST-1.
Astronomy
Jul 13, 2017
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CW Leonis, a red giant star 500 times the size of the sun is located in the Leo constellation 300 light years away. This is an evolving star that is ejecting significant amounts of dust forming an enveloping cloud many times ...
Astronomy
Jul 4, 2017
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Last year an international team of astronomers led by Dr Guillem Anglada-Escudé, of Queen Mary University of London (QMUL), discovered a planet around the closest star to our Sun, Proxima Centauri. Details of the observing ...
Astronomy
Jun 21, 2017
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In biology, "symbiosis" refers to two organisms that live close to and interact with one another. Astronomers have long studied a class of stars—called symbiotic stars—that co-exist in a similar way. Using data from NASA's ...
Astronomy
Jun 6, 2017
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Cool dwarf stars are hot targets for exoplanet hunting right now. The discoveries of planets in the habitable zones of the TRAPPIST-1 and LHS 1140 systems, for example, suggest that Earth-sized worlds might circle billions ...
Astronomy
Jun 6, 2017
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The newly discovered super-Earth LHS 1140b orbits in the habitable zone around a faint red dwarf star named LHS 1140, in the constellation of Cetus (The Sea Monster). Red dwarfs are much smaller and cooler than the Sun and, ...
Astronomy
Apr 19, 2017
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Data from the K2 mission reveals strong stellar magnetism in the TRAPPIST-1 system that hosts three potentially habitable planets, suggesting that those planets could be a less friendly place for life.
Astronomy
Apr 4, 2017
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Astronomers have found a system of seven Earth-sized planets just 40 light-years away. They were detected as they passed in front of their parent star, the dwarf star TRAPPIST-1. Three of them lie in the habitable zone and ...
Astronomy
Feb 22, 2017
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The search for life beyond Earth starts in habitable zones, the regions around stars where conditions could potentially allow liquid water – which is essential for life as we know it – to pool on a planet's surface. New ...
Astronomy
Feb 8, 2017
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Red dwarf stars have proven to be a treasure trove for exoplanet hunters in recent years. In addition to multiple exoplanets candidates being detected around stars like TRAPPIST-1, Gliese 581, Gliese 667C, and Kepler 296, ...
Astronomy
Nov 11, 2016
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