Researchers using ESO’s Very Large Telescope (VLT) have observed an extreme planet where they suspect it rains iron. The ultra-hot giant exoplanet has a day side where temperatures climb above 2400°C, high enough to vaporize metals. Strong winds carry iron vapor to the cooler night side where it condenses into iron droplets. David Ehrenreich, a professor ...
Astronomers have observed an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever observed for a planet of its type. It means that a single year for this hot Jupiter — a gas giant similar in size and composition to Jupiter in our own solar system — passes in less ...
Much like detectives study fingerprints to identify the culprit, scientists used NASA’s Hubble and Spitzer space telescopes to find the “fingerprints” of water in the atmosphere of a hot, bloated, Saturn-mass exoplanet some 700 light-years away. And they found a lot of water. In fact, the planet, known as WASP-39b, has three times as much ...
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