Hubble Detects Blazingly Hot Exoplanet — “Its Water Atmosphere Glows”

Scientists have discovered the strongest evidence to date for a stratosphere on a planet outside our solar system, or exoplanet. A stratosphere is a layer of atmosphere in which temperature increases with higher altitudes.

This exoplanet is so close to its star that if it got any closer, the star’s gravity would start ripping it apart. It also means that the top of the planet’s atmosphere is heated to a blazing 4,600 degrees Fahrenheit (2,500 Celsius), hot enough to boil some metals. The WASP-121 system is estimated to be about 900 light years from Earth – a long way, but close by galactic standards.

Read more on http://www.dailygalaxy.com/my_weblog/2017/08/hubble-detects-blazingly-hot-exoplanet-with-glowing-water-atmosphere-scientists-have-discovered-the-strongest-evidence-to-da.html

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