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GENEVA – Scientists say they've identified a sun-like star with as many as seven different planets — including one that might be the smallest ever found outside the solar system.
If confirmed, the planetary system around HD 10180, a star more than 100 light years distant, would be the richest ever discovered. One astronomer says it's part of a growing body of evidence that the universe is full of planets — and that a bunch of them could be similar to our own.
"This field has gone from zero to close to 500 planets in just 15 years," he said. "Fifteen years we did not know about the big guys. Earth-like planets are going to be quite commonplace."