Related topics: stars · planets

A mirror image of Earth and sun

Among the more than 4,000 known exoplanets, KOI-456.04 is something special: less than twice the size of Earth, it orbits a sun-like star. And it does so with a star-planet distance that could permit planetary surface temperatures ...

Exoplanet climate 'decoder' aids search for life

After examining a dozen types of suns and a roster of planet surfaces, Cornell University astronomers have developed a practical model—an environmental color "decoder"—to tease out climate clues for potentially habitable ...

Planet hunters discover new 'one in a million' Super-Earth

Astronomers at the University of Canterbury (UC) have found an incredibly rare new Super-Earth planet towards the centre of the galaxy. The planet is one of only a handful that have been discovered with both size and orbit ...

Researchers use 'hot Jupiter' data to mine exoplanet chemistry

After spotting a curious pattern in scientific papers—they described exoplanets as being cooler than expected—Cornell University astronomers have improved a mathematical model to accurately gauge the temperatures of planets ...

Planet WASP-12b is on a death spiral, say scientists

Earth is doomed—but not for 5 billion years. Our planet will be roasted as our sun expands and becomes a red giant, but the exoplanet WASP-12b, located 600 light-years away in the constellation Auriga, has less than a thousandth ...

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