Stressful day at the office? Muscles need soothing? A trip to a newly described exoplanet—featuring a thick saunalike steam atmosphere—may be in order. Of course, it would be a long trip for a spa day, given the planet’s location 72 light-years from Earth.

Amadeo Castro-González, an astronomer at the Spanish Astrobiology Center who led a recent study describing the steamy planet, says the find could represent a new class of exoplanets, something between a rocky planet and a gas giant. “We propose these are inflated super-Earths,” he says.

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