Archive for April 13th, 2017

Atmosphere Around a Nearby Earth-sized Exoplanet


(Syfy Wire::Bad Astronomy) – Phil Plait:

Gliese 1132 is a red dwarf, a small, cool, low-mass star. It’s so faint a star that even though it’s relatively close by at 39 light-years from Earth, you need a decent telescope to see it at all.

In 2005, though, when astronomers did point their telescopes at it, they discovered a planet orbiting it!

New observations have done something astonishing: They’ve revealed the planet has an atmosphere, potentially a thick one composed of water, hydrogen and/or methane! …

blastr 2017-4-11 exoplanet

GJ 1132b