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Hubble detects exoplanet with a stratosphere


Posted on Friday, 4 August, 2017 | Comment icon 6 comments

Image Credit: Engine House VFX, At-Bristol Science Centre, University of Exeter
Astronomers have found an extrasolar world with what has been described as a 'glowing water atmosphere'.
Known as WASP-121b, this intriguing, distant world is referred to as a "hot Jupiter", both due to its large size and because it has an orbital period of just 12 days, making it a very hot place indeed.

What's particularly unique in this case however is the apparent presence of a stratosphere - the layer of atmosphere in which temperature increases with altitude.
"This result is exciting because it shows that a common trait of most of the atmospheres in our solar system - a warm stratosphere - also can be found in exoplanet atmospheres," said Mark Marley, study co-author based at NASA's Ames Research Center in California's Silicon Valley.

"We can now compare processes in exoplanet atmospheres with the same processes that happen under different sets of conditions in our own solar system."


Source: NASA.gov | Comments (6)


Tags: Extrasolar, Planet


Recent comments on this story
Comment icon #1 Posted by glorybebe on 2 August, 2017, 22:18
So many interesting finds popping up.  It is so exciting to read about the wonders in space.
Comment icon #2 Posted by Grandpa Greenman on 3 August, 2017, 22:18
Great times for astronomy.  Thanks Waspie, for your posts. 
Comment icon #3 Posted by paperdyer on 4 August, 2017, 16:23
Sounds like the Lava world from a Star Trek:TOS episode.
Comment icon #4 Posted by seanjo on 4 August, 2017, 17:25
Fascinating, it must be truly belting around its Sun with a twelve day year!
Comment icon #5 Posted by BeastieRunner on 4 August, 2017, 18:14
Imagine the gravity on that sucker!
Comment icon #6 Posted by Boozemonkey on 4 August, 2017, 20:18
I wish I lived 40/50 years in the future. I want to see what has been discovered then!


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