Astronomers think signals are coming from an Earth-like planet called Gliese 581d which is purported to be able to support life and is twice the size of Earth.
Signals from the planet were initially discovered in 2010, but last year dismissed as noise from distant The planet is 'only' 22 light-years away. stars.
Can you imagine the noise from us. Political speeches, hip-hop, Hollywood and Bollywood, country music and rancid pop music and Big Brother! At least they will not confuse our planet with their search for intelligent life-forms;-)
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