NASA says this planet is just too damn hot to exist

The exoplanet LTT 9779b is far more massive than our own world, and the world is nearly five times larger. Temperatures on its surface put Venus — the hottest planet in our solar system — to shame. This exoplanet, discovered just last year, is so extreme it should not exist — at least not for long. Hot Neptunes are — theoretically — worlds the size of Neptune or slightly larger than Neptune, orbiting close to their parent stars. However, such planets were thought to be unstable, as the atmospheres would be driven off by heat from the local star. “This…

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