How Much Ultraviolet Light is Best for Life?

Space





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Artist's impression of an Earth-like planet before life or an ozone layer has formed. Credit: W. Henning

As our stock of known planets beyond the solar system grows, astronomers are increasingly focusing on which represent the best prospects for life. The latest in planetary computer modeling examines how the ultraviolet (UV) light from different sorts of stars affects the chances of life developing and thriving on nearby worlds. The results have been published in The Astrophysical Journal.