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{ Category Archives } Astronomy

Where are they?

I found a very interesting commentary by Nick Bostrom, about the existence of extraterrestrial life and the so-called Fermi Paradox.
The point Nick Bostrom presents is sensible: the current evidence is that life is apparently not very frequent in the Universe. Despite all efforts we did toward finding life, intelligent or not, we failed. Moreover, the […]

2008 05 10 Stefano Space Exploration
Astrobiology
Bioethics
Evolution Comments (0)

Age of the universe

According to recent results from WMAP, the universe is 13.73 ± 0.12 billion years old. Moreover, the ordinary matter accounts less than 5% of the constituents of the universe (energy and matter), and the universe is practically flat, in the sense that the geometrical rules are those of an euclidean geometry.
This seems to provide even […]

2008 03 07 Stefano Comments (0)
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