Delaware Valley Amateur Astronomers

For the first time: Astronomers detect an atmosphere around an Earth-like planet

06 Apr 2017 6:23 PM | Anonymous

Astronomers have detected an atmosphere around the super-Earth GJ 1132b. This marks the first detection of an atmosphere around an Earth-like planet other than Earth itself, and thus a significant step on the path towards the detection of life on an exoplanet. The team, which includes researchers from the Max Planck Institute for Astronomy, used the 2.2 m ESO/MPG telescope in Chile to take images of the planet's host star GJ 1132, and measuring the slight decrease in brightness as the planet and its atmosphere absorbed some of the starlight while passing directly in front of their host star. Read More

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