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Giorgio Bianciardi University of Siena

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Life in the Universe #2_2. Giorgio Bianciardi University of Siena. Life beyond the Earth: the solar system. 1976 Viking #1 Viking #2. Life on Mars ?. ALH84001. Life on Mars (billion years ago)?! D.S. Mc Kay, Science, 1996. PAH. Beyond Mars. Titan: a Saturn moon. Jupiter moons.

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slide1

Life in the Universe #2_2

Giorgio Bianciardi

University of Siena

alh84001
ALH84001

Life on Mars (billion years ago)?!

D.S. Mc Kay, Science, 1996

PAH

slide5

Beyond Mars

Titan: a Saturn moon

Jupiter moons

slide6

Life beyond the Solar System

Fermi’s paradox: where are they?

slide7

Liquid water & Time

Blue Stars

5%

90%

Red Stars

Double Stars

= 1:100

50%

slide8

Extrasolar planets

Stable orbits

= 1: 10 000..planets were life

could arise…

Life is rare / Intelligent life is very and very rare

slide9

Darwin Mission & Terrestrial Planet Finder: 2030?

Detecting extrasolar terrestrial planets & life

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