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Small telescopes discovered styrofoam-density exoplanet orbiting a bright star

A teamĀ from the KELT collaboration have discovered an exoplanet that is highly inflated, so that while it's only a fifth as massive as Jupiter, it is nearly 40 percent larger, making it about as dense as Styrofoam. The planet is orbiting the V = 8 Subgiant HD 93396 in the southern hemisphere.

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