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This Solar System Catalog Could Be Key to Finding an Earth-Like Exoplanet

31 Jul 2018, 14:10 UTC
This Solar System Catalog Could Be Key to Finding an Earth-Like Exoplanet J. Madden/NASA

By searching for the telltale, periodic dimming of light from distant stars, astronomers can spot orbiting exoplanets tens to hundreds of light-years away. But how do they know what these bodies look like? Perhaps they first try to imagine how the planets in our own Solar System might appear to a faraway alien world.

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