Wired Science has a post about a newly found Earth-sized planet around our closest star system neighbor:
The Alpha Centauri system â€” composed of three stars orbiting one another â€” is only 4.4 light-years away, a cosmic stoneâ€™s throw from us. Though the newly discovered planet has about the same mass as our own, its orbit is 25 times smaller, so a year on this planet passes in just 3.2 days. This means the planet is sitting up against its star, roasting at perhaps 2,200 degrees Fahrenheit with a surface likely composed of molten lava.
Last year I read the Foundation series by Â Isaac Asimov. In Foundation and Earth, Asimov describes a water covered planet with a small island with refugees of Earth on a planet named Alpha orbiting Alpha Centauri. This gem is nowhere close to the fictional Alpha. Â But, still, a planet so close is exciting!
We have a long way to go before we could travel there as well. Probably not in my life time. Nor in the next few generations.
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