The artist's rendering above imagines what the evening sky would have looked like on an Earth-like planet. Between the pink-tinted gas clouds cradling cosmic newborns and the bright blue brilliance of the new stars themselves, a clear night would have been a pretty marvelous sight.
But it's possible that there couldn't have been an Earth-like planet born so early in the game. By the time our sun formed, heavy elements -- the building blocks of life -- had become more common than in the early days. Without those elements flourishing abundantly in our star system, we might not exist to look up at the sky at all.
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