Sun, Earth Are Unlikely Pair to Support Life

The violent youth of solar proxies. Courtesy of IAU.

We don't know how lucky we are — really.

We know the interaction between Earth and the Sun is a rarity in that it allowed life to form. But scientists working to understand the possibility that it could have happened elsewhere in the Universe are still far from drawing conclusions.

What is becoming clearer is that life probably shouldn't have formed here; the Earth and Sun are unlikely hosts.
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