According to what a team of scientists recently discovered, it seems that during the first two million years after our solar system was born, meteorites brought water to our planet. The researchers wanted to know when precisely these vital elements like water and carbon arrived on Earth. This is why Adam Sarafian is saying that the team is now analyzing as many meteorite parent bodies as they can. The purpose is to discover where precisely they were in the early years of the solar system. Also, how much water they carried.
It seems that these meteorites, called angrite meteorites, formed extremely early in the solar system, about 4.56 billion-years ago. It’s worth noting that during that time, our planet had about 20% of the size it has now. On the other hand, Mars formed earlier. So, at that point, it was probably almost the same as it is today. As for Mercury and Venus. The experts are still not sure when they formed and are now trying to discover that.
Water came to Earth from meteorites
During that time, the solar system was a very hot and dry place. For years, scientists were not sure when certain delicate elements like water came to our planet. This is mainly because the high temperatures would have boiled away the hydrogen in the water molecules. This is why the team of researchers decided to analyze the material called olivine, which is fairly common in basaltic meteorites.
According to Sarafian, if they knew the melt composition, it was easy to calculate the water content of the planetary body. And they did just that. The team found out that the parent asteroid of the angrites most certainly had about 20% of the water content Earth has today. The composition of the water was also the same. This means that the water on Earth and that on the angrites came from the same place.
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