These are not cosmic rocks - most likely the earth was born with water

Nothing on our planet can survive without water, and that is water The source of all life we ​​knowMeanwhile…we still don’t know for sure where it came from.

One widely accepted argument is that the father. Water-bearing space rocksthat literally bombed our planet when it was much younger. However, new analyzes of samples taken on the Moon and delivered to Earth as part of the Apollo mission indicate that we may have been wrong over the years.

According to Lawrence Livermore National Laboratory researchers, the most likely scenario is that The earth was formed by its waterthat is, this has been on our planet since its inception.

And while the Moon—very dry and dusty—may seem a strange place to look for the origin of Earth’s water, it is actually an ideal choice. Study the history of our planet. All because, according to the theory of the Great Collision, it was created shortly after, as a result of a collision between the young Earth and a planet the size of Mars called Theia, consisting of fragments of debris and fragments of shells ejected into space during the collision.

It was this clash that deprived the Earth and the Moon (i.e. remnants of Theia) of the majority volatile compounds (a group of easily vaporized chemical elements and compounds), so if you examine samples prior to this event, we can tell what both objects looked like earlier.

Earth’s memory of this event has faded over time, but by chance the moonWithout plate tectonics and weather, geological evidence may still exist.

Of course, some processes also occurred on the surface of our natural satellite, as a result of past volcanic activity or the effects of other bodies, but the conditions on the site remained almost unchanged and allow such research.

So the scientists analyzed Lunar samples crystallized 4.3 to 4.35 billion years ago, focusing on two isotopes: the volatile and radioactive isotope of rubidium 85Rb and the isotope of strontium 87Sr. The latter is a good measure of the moon’s long-term volatile element budget, and the abundance of moderately volatile elements such as rubidium well reflects the behavior of more volatile compounds such as water.

conclusions? Both objects were very low in volatile compounds even before the big impact, including water, but it was already on Earth at that time.

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