Wednesday, January 28, 2015
Gamma-ray Bursts May Explain Fermi's Paradox
Gamma-ray Bursts May Explain Fermi's Paradox - Slashdot
A new study confirms the potential hazard of nearby gamma-ray bursts. It quantifies the probability of an event near Earth, and more generally in the Milky Way and other galaxies over time: "[Evolved] life as it exists on Earth could not take place in almost any galaxy that formed earlier than about five billion years after the Big Bang." This could explain the Fermi's paradox, or why we don't see billion-year-old civilizations all around us.
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