hot Jupiters
Giant Exoplanet is Spiraling Inward to its Doom
"Death by star" is a fate awaiting most planets in star systems. That includes our Sun, Venus, and Mercury a…
Trading Spaces: How Swapping Stars Create Hot Jupiters
Star clusters tend to host more hot Jupiters than average, but why? A team of astronomers have proposed a new…
Planets Make it Harder to Figure out a Star’s age
Estimating stellar age has always been a challenge for astronomers. Now, a certain class of exoplanets is making the process…
How Do Hot Jupiters Get So Close to Their Stars?
In this age of exoplanet discovery, we've discovered thousands of exoplanets of different types. The hot Jupiter is one of…
Hubble has Characterized 25 Hot Jupiters. Here’s What we Know so far
Hot Jupiters are giant exoplanets – even more massive than Jupiter – but they orbit closer to their star than…
Extreme Tidal Forces Have Deformed an Exoplanet
What an exoplanet shaped like a rugby ball tells us about its composition.
Forget That Planet That Orbits Every 16 Hours. That’s so Last Week. Now Astronomers Have Found a Metal Planet That Orbits its Star EVERY 8 HOURS
Astronomers have found a small, hot planet that might be almost solid iron.
A Tiny, Inexpensive Satellite Will be Studying the Atmospheres of hot Jupiters
The Colorado Ultraviolet Transit Experiment (aptly nicknamed CUTE) is a new, NASA-funded mission that aims to study the atmospheres of…
Larger Rocky Planets Might be Rare Because They Shrunk
Researchers at the Flatiron Institute's Center for Computational Astrophysics published a paper last week that just might explain a mysterious…
Hydroxyl (OH) Seen for the First Time in an Exoplanet Atmosphere
The molecule hydroxyl (HO) is common on Earth, but astronomers have not yet determined how abundant it is on other…