Using the same planet-hunting techniques as Earth astronomers, would inhabitants of a planet hundreds of light-years away be able to detect Earth? Or would the gas giants overpower their observations? Michael O’Mara Melbourne, Australia The answer is no, our current planet-hunting techniques are unable to detect an Earth — specifically, an Earth-size and Earth-mass planet inContinue reading “Could aliens spot Earth with the same planet-hunting techniques we use?”
The post Could aliens spot Earth with the same planet-hunting techniques we use? appeared first on Astronomy Magazine.