Exoplanet HAT-P-7b
Size comparison of HAT-P-7b (gray) with Jupiter. Image source: [1]
![[1]](https://upload.wikimedia.org/wikipedia/commons/d/d3/Exoplanet_Comparison_HAT-P-7_b.png){kind=link}
HAT-P-7b is a gaseous planet 16 times larger than Earth and 500 times more massive than Earth. It is more than 1000 light years away from us, in the constellation of Cygnus. It is a planet very similar to Jupiter, the temperature is spectacular, approximately 2500 ºC, and has a synchronous movement, that is to say always has a side towards its star. Clouds form on the cold side and evaporate quickly on the warm side.
The intense temperature differences between the two sides often cause very powerful winds, which blow around the planet in the form of an equatorial current.
When the winds are strong, the planet is brighter where the clouds are, and therefore what is observed is mainly reflected light. When the clouds dissipate and the winds are weaker, they continue to carry heat, so that the brightest point happen to be in the opposite hemisphere and we see the light emitted by the planet.
More details here: HAT-P-7b
This video shows simulations of how exoplanet HAT-P-7b's magnetic field lines evolve and influence winds with time. Strong lines appear in blue and magenta. Less intense lines are green and yellow.
It's an amazing planet! Congrats for this post.
Thanks :D