GJ 1132 b Loses Atmosphere, Belches Up New One

The exoplanet GJ 1132 b — a hellish world of volcanoes and a choking atmosphere — seen by the Hubble Space Telescope.

An artist’s concept of the exoplanet GJ 1132 b, as it might be seen in near-infrared light, with active volcanoes peering up from beneath the enveloping haze. Image credit: The Cosmic Companion

The hellish world of GJ 1132 b, discovered in 2015, is only 60 percent more massive than Earth, and is roughly the same age as our home planet. Even the atmospheric pressure at the surface is similar that here on Earth.

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The Cosmic Companion

The Cosmic Companion

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Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more: www.thecosmiccompanion.net