Researchers have observed an exoplanet WASP-76b where it rains iron. It is the first time when astronomers are able to identify chemical reactions on an ultra-hot gas planet.
- WASP-76b is a planet with an ultra-hot atmosphere where the temperatures reach 2400 degrees Celcius and is 390 light-years away.
- Such high temperatures are sufficient to melt or vaporize metals such as iron.
- At nighttime, the atmosphere cools down and condenses the iron clouds which turn into iron rain.
- A new instrument called "Very Large Telescope" was used in the European Southern Observatory to study the exoplanet.
- It is the first time condensed iron could be seen on a planet.
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