Tag: Green Pea galaxies
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Green Peas, blue stars, and ultraviolet light
The color of galaxies generally comes from its stars. That makes sense: it’s where the galaxy’s light originates, after all. Galaxies with a lot of young stars will be bluish, while galaxies dominated by older stars will shade toward red. I hedge because we’re seeing an average: by and large, galaxies aren’t going to be…
Matthew R. Francis
Galileo's Pendulum 