JAKARTA – The rain we know on Earth consists of water droplets, but this is not the case on other planets. Scientists have found that rain on other planets can be dangerous sulfuric acid and that there is also iron rain on an exoplanet called WASP-76b.
Reported by CNN, sulfuric acid rain forms in the atmosphere of Venus but evaporates before it hits the ground. Carbon dioxide, or dry ice, drifts down like snow on Mars.
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Jupiter has been known to rain helium, and hail ammonia “mushrooms”. Meanwhile, on the Planet Titan, it is known that there is methane rain. A steady rain of tiny sparkling diamonds takes place on Neptune.
On planets outside the solar system known as exoplanet , scientists believe that the rain is getting weirder. The ultrahot gas exoplanet known as WASP-76b is where iron raindrops fall from the sky at night.
Scientists believe that on the flanks of an exoplanet, scorching temperatures, which are hot enough to turn molecules into smaller atoms and metals into steam, create iron vapor.
Strong winds bring this to the night side, where relatively cooler temperatures hover around 2,240 degrees Fahrenheit. Iron vapor condenses into clouds, causing molten iron rain.
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No matter how different these types of rain are, scientists have determined that the size of the raindrops is governed by the force of the planet’s gravitational pull.
The stronger the gravity, the smaller the size of the raindrops. Temperature, air pressure, relative humidity and distance to the ground are also determining factors.
The range in size grows on other types of planets, reaching a maximum of between one and a half to six times the size of raindrops on Earth .
The maximum size of a raindrop on Earth is 11.18 millimeters, while the maximum size on Titan is more than double that at 29.96 millimeters, which is bigger than a one-cent coin.
This research not only provides insight into planets in our own solar system, but also beyond them. The mathematical and physical modeling of this study can be used to model precipitation in exoplanets and better understand the observations made from the atmosphere in this alien world.
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NASA’s James Webb Space Telescope, slated to launch in October, will be able to see exoplanet atmospheres.
Rain on other planets can actually be used to help identify whether the planet has the potential to be habitable.
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