If the solar system is only 4.6 billion years old but the universe has existed for 13.8 billion years, isn’t it likely that other forms of life existed well before us in the universe?

Bob Spangler

Fruita, Colorado

With estimates suggesting there are more than 10 billion terrestrial planets in the Milky Way and several hundred billion galaxies in the observable universe, it seems statistically unlikely that lightning only stuck once when it comes to life. Because we only currently kno

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