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The Tale of Two Hot Jupiters: Cloudy and Clear

Planets about the size of Jupiter and orbiting very close to their parent stars are called “hot Jupiters”. It is thought that like Jupiter, they formed far out in their planetary system, but unlike Jupiter they migrated inwards ending up very close to their star. Their temperatures can be more than 1,000 degrees Fahrenheit, and whirl around the star in a few days.

The atmospheres of these exoplanets are curious and studies of their weather and composition are clues in how planetary systems form and change. Two nearly identical hot Jupiters have been studied with surprising results. But these planets are nearly identical only at first glance because their temperatures and surface gravities are very similar but apparently the atmospheres are quite different.

Join Tony Darnell and Carol Christian during Afternoon Astronomy Coffee on June 22, 2017 at 3PM Eastern (Daylight) Time as they discuss with Giovanni Bruno and Kevin Stevenson (STScI) how and perhaps why these exoplanets are different when it seems at first glance they should be identical.

The Afternoon Astronomy Coffee series may be found on YouTube

The link for the latest Afternoon Astronomy Coffee will be announced on
https://www.facebook.com/DeepAstronomy/

Live Chat:
http://deepastronomy.com/live