Discovered the planet on which the rain of liquid iron
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Recently, astronomers at the University of Geneva with a telescope of the European southern Observatory in Chile, discovered several unusual planet. This cloud-based world, where the atmosphere is so rich in iron that it pours from the sky rain. The exoplanet was named Wasp-76b, and, according to an official press release, it is such a bizarre temperature and chemistry that sverhdorogie days evaporate iron in the planet's atmosphere. By night it is cooled, condenseries and falls back in the form of metallic drops – the iron rain. Wasp-76b reminiscent of Jupiter located in the constellation Pisces 390 light years from Earth. But how do scientists know this?
Rain of iron
According to the study, published in , Wasp-76b completely “blocked”. This means that one half of the planet always facing its sun and the other went dark. The temperature on the sun side reaches 2398 degrees Celsius, which causes the iron . When this occurs, a strong wind carries the iron to the dark side, where it cools and condenseries, after which the exoplanet iron starts pouring. As reported by the study authors in a press release , it looks like drops of metal falling from the sky. If you've seen how to melt iron, you probably remember that at high temperatures it turns into a liquid metal.
Open only a few years ago, Wasp-76b is almost two times the size of Jupiter – the largest gas giant, but it requires less than two days to get to orbit its star. Because the planet's rotation matches the time it takes to complete the orbit, the same side always facing the star. So on this side that looks into the abyss of the cosmic ocean, always day and clear sky. However, on the dark side the temperature falls to about 1482 degrees Celsius, and the sky all the time covered with clouds, from which fall metal precipitation.
One side of the exoplanet, similar to Jupiter, all the while facing the Sun, the other looking at the stars
Strong wind Gusts, speed exceeding 6835 kilometers per hour, always carry a part of the evaporated iron from day to night side of the planet. Within the zone of transition from day to night when the temperature begins to fall, apparently, formed the clouds. The pair of iron morning not visible, the researchers note. So astronomers came to the conclusion that the most likely explanation is that on the dark side are iron rains. To study in detail the extreme climate , the team was able to help with a new instrument, the Very large telescope (Very large Telescope) at the European southern Observatory in Chile.
Cosmic romance
Although previously evaporated iron was found in still , it is believed that it remains in a gaseous state throughout the planet. The researchers believe that the Wasp-76b was the first recorded case of condensation of iron. Anyway, the traveler, who decided to go on a Wasp-76b, just need a sturdy umbrella (preferably of metal) which melts at much higher temperatures.
“an Evening at Wasp-76b.”
A fun illustration created by graphic artist Frederic Peters specifically for the research group, the dancing astronaut holding an umbrella in front of the orange waterfall. “Singin ' in the rain iron», says the inscription at the top.
In the vast infinite Universe an infinite number of unusual worlds. Some of them, such as Wasp-76b, there are constant rain of iron
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