Life in the Universe: Rule or Exception?

Almar, Ivan

Iván Almár, professor of astronomy, examined the question: Life in the Universe - rule or exception? On Earth, life was present almost since the very beginning, and, after billions of years, it has reached intelligence and technical civilization. Is this a possible route for other celestial bodies, or is it the result of an accidental chain of events that is highly unlikely to be repeated, making our Earth a rare, single exception in a lifeless Universe? Or is this the rule and the route of development for hundreds of billions of stars in the galaxies? Laws of mathematics, physics and chemistry are generally valid in the whole of the Universe, but is it also the case for laws of biology - as biology is based on the only known form of life, the life on Earth. Would we recognize alien life if we encountered it? Is there a future for life in the Universe, if it is limited to this single and fragile celestial body: Earth?

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