Ever since NASA's New Horizons sent back the first-ever photos of Pluto in 2015, the dwarf planet's mysterious ... a little over 400 miles in diameter, roughly the size of Arizona from north ...
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Earth 2.0? Not just size, this planet has same gravity as us, Hubble is looking at itits size. A "grazing transit" was a possibility, where the planet would only partially cross the star's face, leading to an underestimation of its diameter. Emily Pass from the Center for ...
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