Scientist's vision of alien life
A top British space scientist believes aliens exist - and look like giant jellyfish with hanging onion-like sacks.
Dr Maggie Aderin-Pocock worked with an artist to show what she thought alien life might look like.
She believes the idea that extra-terrestrials will be humanoid is wrong and they are more likely to resemble floating jelly fish.
Dr Aderin-Pocock says our inter-galactic cousins would have metallic surfaces for light absorption, orange bottoms for camouflage and buoyancy sacks to maintain altitude.
They would "scope chemicals from the atmosphere" through a large opening, like a manta ray, and, if they are intelligent, "use pulses of light scintillating up and down their spines" to communicate.
Dr Aderin-Pocock reveals her belief that as many as four intelligent alien civilisations may exist in our galaxy.
But because the galaxy is so huge, she doubts whether humans will ever be able to contact them.
Dr Aderin-Pocock, currently working on the observation instruments for the Aeolus satellite, is one of the first credible scientists to claim that aliens probably do exist.
Her picture of an alien was commissioned to celebrate the launch of TV Channel Eden's Science Month this July.
Dr Aderin-Pocock explains: "Our imaginations are naturally constrained by what we see around us, and the conventional wisdom has been that life needs water and is carbon-based.
"But some researchers are doing exciting work, playing with ideas such as silicon-based life forms."
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