Astronomers have discovered an Earth-like planet outside the Solar System, 'shortening' the odds that alien life could exist. A new study of the planet, which orbits a star 500 light years away, has shown that its density is similar to Earth's, indicating it is a solid rocky world.
Known as COROT-7b, it was discovered in February this year by the European space telescope COROT, which had been tracking the star it circles.
Sunday, Apr 20th
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