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Science

Water sources on Mars revealed by metorites

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One of the biggest questions in modern science is: Where did the water on Mars come from?

 

New research says the answer to the water sources lies in meteorites from Mars that have fallen on Earth.According to reports, Mars was probably a warm and humid planet for billions of years before its atmosphere became frozen as we know it today.

In order to answer this question, scientists have been exploring layers on Mars. The meteorites at the center of this research were samples of the planet’s crust, and the crust is assumed to have the highest amount of water on Mars, as much as 35 percent.

Meteorites, dubbed “Black Beauty” and “Allan Hills”, have revealed Mars’ past, including information such as how the planet formed but also when water appeared.

According to Nature Geoscience, when looking at the two meteorites, the researchers performed a chemical analysis looking for two types of hydrogen isotopes. Isotopes are atoms that make up the chemical elements.

They specifically sought “light hydrogen” and “heavy hydrogen”, as the relationship of the two isotopes is being used to understand the origin of the water traces found in the rocks.

The Black Beauty and Allan Hills meteorites are suggesting that there are two different sources of water on Mars, based on their isotopes.

“In the interior of the planet there are distinct water sources that may be speaking volumes about the types of objects that were available to combine into the inland of Mars”, as said by researcher Barnes. He also added that this context is also important for understanding the age and astrobiology of Mars. ”

Water sources

The planetesimals were the building blocks of the planets that make up our solar system today. They are made up of parts of gas and dust that arise from the formation of our sun. Over time, they took on size and collided with each other, forming planets.

This is very different from the previous theory about the formation of Mars, which suggested that its formation was similar to that of planet Earth. That theory was derived from another Martian meteorite, but this one came from the cloak of the planet, a rocky underground layer between the core and the crust.

 

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