TWO HABITABLE PLANETS NEAR SUN''S NEIGHBOUR?

Two planets that orbit around a star like our own Sun could support life, according to new research. The two worlds at the edges of star Tau Ceti's 'habitable zone' are part of a system of planets similar in size to our own. Tau Ceti is located 12 light years from Earth. That is a breakthroughbecause it suggests that we might soon be able to find other planets that are habitable like our own Earth, researchers said. The proximity of the planets and their similarity to Earth mean that they could eventually be a home for humans, according to the astronomers behind the research. But doing so might be a risky expedition. The star appears to be circled by a huge disc of debris, which could suggest the worlds are being regularly hit by asteroids and comets. -- C.S. Chakravarthy.
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