On The Timescale Forcing in Astrobiology

Details On The Timescale Forcing in Astrobiology On The Timescale Forcing in Astrobiology

2007-12-10

arxiv.org/abs/0712.1508v3

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures, preliminary report, published in Serbian Astronomical Journal, vol. 175, 45-50

Scientific paper

10.2298/SAJ0775045V

We investigate the effects of correlated global regulation mechanisms, especially Galactic gamma-ray bursts (GRBs), on the temporal distribution of hypothetical inhabited planets, using simple Monte Carlo numerical experiments. Starting with recently obtained models of planetary ages in the Galactic Habitable Zone (GHZ), we obtain that the times required for biological evolution on habitable planets of the Milky Way are highly correlated. These results run contrary to the famous anti-SETI anthropic argument of Carter, and give tentative support to the ongoing and future SETI observation projects.

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