UFOs are commonly seen in the sky, but we've been searching in vain for alien signals for a long time now. We may have finally found one (let's hope we don't shoot at them this time).
A planet that lies in the habitable zone of another star, which scientists have named Gliese 581g, may have sent out a signal in the form of a burst of light. Australian astronomer Ragbir Bhathal detected the pulse of light 2 years ago, coming from that part of our galaxy.
On Fox News, Denise Chow quotes Bhathal as saying, "Whenever there's a clear night, I go up to the observatory and do a run on some of the celestial objects. Looking at one of these objects, we found this signal. We found this very sharp signal, sort of a laser lookalike thing which is the sort of thing we're looking for--a very sharp spike. And that is what we found."
Bhatha is a member of SETI, but some of his fellow SETI scientists are skeptical. Chow quotes Frank Drake as saying, "I know the scientist, and when he first announced it, I asked him for the details, and he wouldn't send them to me. I'm very suspicious. I'm not aware of the location that was claimed for the source of that light, and [Bhathal] refused to tell me where it came from. I think it's very unlikely that it came from the direction of Gliese 581."
Drake is began searching for extraterrestrial signals intelligences 50 years ago. He invented the Drake Equation to calculate the number of alien civilizations we might be able to communicate with in the Milky Way.
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