Source: Universe Today
At last we are seeing big rewards in the hunt for "super-Earths" - rocky alien worlds a few times more massive than our own. While the vast majority of the almost 300 previously discovered exoplanets are Jupiter-like gas giants, the new discoveries of large numbers of small planets – and especially that at least three of them orbit one star — suggests that they are abundant in our galaxy, and may outnumber Jupiter-sized giants by 3 to 1. But are these planets like Earth? (read more)
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