Gas Giants
Astronomers Find a “Marshmallow World”: the Lowest Density Gas Giant Ever Discovered
Exoplanet discovery space hosts all kinds of interesting "super" worlds. There are super-Earths, super-Neptunes, and, of course, Super-Jupiters. Recently, the…
Astronomers Measure the Layers of an Exoplanet's Atmosphere
The number of planets discovered beyond our Solar System has grown exponentially in the past twenty years, with 4,919 confirmed…
An Exoplanet So Hot There Are 7 Different Kinds of Gaseous Metals in its Atmosphere
The search for exoplanets has revealed types of planets that are nothing like the worlds in our own Solar System.…
Hubble Shows Saturn in the Middle of its Summer
If you want an iconic picture of the planet Saturn, it doesn’t get any better than this. The latest picture…
Exoplanet Orbits its Star Every 18 Hours. The Quickest Hot-Jupiter Ever Found
The Next Generation Transit Survey recently discovered a hot-Jupiter with the shortest orbital period observed to date, just 18 hours!
Uranus’ Rings are Surprisingly Bright in Thermal Emissions
New observations by ALMA and the VLT provide the most-detailed look yet at Uranus' system of rings, revealing things about…
Where’s the Line Between Massive Planet and Brown Dwarf Star?
Astronomers have debated which objects are gas giants like Jupiter, and which are more correctly called brown dwarfs. A new…