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Hubble confirms 400-billion-mile ‘planet factory’—largest ever dwarfs our solar system 40 times over
Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...
Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based ...
This illustration shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets’ diameters, masses, and distances from the host star. Astronomers have named them ...
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