Why Haven't We Seen Aliens (PB)

€14,99
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Stephen Ertle-Rickard

248 psl.

2019 m.

Minkštas viršelis

Barcode: 9781781271001

If there really is alien life elsewhere in the Universe, then it's reasonable to ask why we haven't seen it. Surely our planet Earth would have been visited by aliens by now? Does that mean that alien life doesn't exist? This book uses some simple maths to take a sober look at the chances of our meeting alien life.

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