Researchers Observed A Planetary Iron Planet

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Astronomers from the European Southern Observatory (ESO), using the Very Large Telescope (VLT), discovered a planet that was raining iron as rain. The iron evaporating on the daytime side of the planet, where temperatures above 2400 ° C are observed, raining on the night side of the planet as rain.

Astronomers from the European Southern Observatory have observed an interesting planet. According to the article published in the journal Nature, there are iron rains on the planet, which is called WASP-76b by scientists from ESO, 640 light years from Earth.

The planet, where the iron rain is seen, revolves around its star in a long orbit. One face of the planet is constantly living in the dark, while the other side of the planet is living day and night under the influence of the star. Temperatures above 2400 ° C are observed on the daytime face of the planet.

The star around the planet sends thousands of times more radiation to the daytime side of the planet than the Sun sends to Earth. The surface of the planet is so hot that metals like iron evaporate. There is an extreme temperature difference between the day and night sides of the planet. This temperature difference causes severe winds on the night side, where the temperature drops down to 1500 ° C.

Astronomers have detected strong iron vapor between the day and night sides of the planet using the device called ESPRESSO in the Very Large Telescope (VLT) located in the Atacama Desert of Chile. David Ehrenreich, a scientist at the University of Geneva at ESO, said that iron vapor was not observed in the morning parts of the planet. The reason for the absence of iron vapor in the morning part of the planet is that iron falls on the night side of the planet as rain.

“Observations show that iron vapor is abundant in the atmosphere on the warm day side of the WASP-76,” said astrophysicist Osoria at the Madrid Astrobiology Center and head of the science team at ESPRESSO. Some of the iron vapor passes to the night side due to the planet’s rotation and atmospheric winds. “Here, the iron is getting cold, it comes in contact with colder environments and it rains in rain.”


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