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Posted by on Oct 21, 2021 in TellMeWhy |

Where Did the Water on Earth Come From?

Where Did the Water on Earth Come From?

Where did we get all this water? Does Earth have more water than any other planet? We must consider the components of water in order to determine its origin. You may already be aware that small building blocks make up everything in our universe. We refer to these minuscule units as atoms. Atoms form molecules when they come together. Dihydrogen oxide is a chemical that makes up water. That indicates that it has one oxygen atom and two hydrogen atoms. You may be familiar with the abbreviation H2O for the name.

In order to answer the question of where water originated, we must first consider the origins of oxygen and hydrogen. We must go all the way back to the origins of our universe to determine that! The existence of hydrogen dates back to almost the creation of the cosmos. It is the most basic component. Many, many millions of years later, oxygen finally appeared.

Since the first stars were so hot, hydrogen started to transform into other elements. One of those was oxygen. These stars eventually died and exploded after a protracted period. New elements were dispersed throughout the cosmos by these explosions. These components then combined to create new compounds. One of these was H2O, or water. Beginning with the formation of our solar system, water molecules were present.

As the Earth developed, water molecules were present as well. But how can that explain the water that exists today on Earth? The scientific community is unsure. There are numerous potential water sources. Both of these hypotheses, according to scientific theory, might be partially correct. The first is that over many years, water molecules located deep within the Earth progressively rise to the surface. In other words, the majority of the Earth is covered in water, which has existed on the planet from its inception.

The idea that water molecules arrived on Earth from other parts of space is another. The Earth was hit by numerous asteroids and comets in the early history of our solar system. These supplied our world with extra water. Japanese researchers who have been researching an asteroid at the fringe of the solar system believe they have found where water on Earth came from: one of those asteroids. They report their findings in a new paper. The fundamental components of human life may have originated in outer space, according to additional evidence that has been discovered. The water that makes up so much of Earth’s surface, along with water from asteroids and comets, most likely came from deep within the planet. In fact, we have so much water that it covers more than 70% of the surface of the planet!

You might be wondering what happens to other planets. There are other planets with large amounts of water besides the Earth. In actuality, we are aware that both Neptune and Uranus contain significant amounts of water. Because of our climate, the Earth is unique. Our water might completely evaporate if we were closer to the sun and our planet was much hotter. Our planet would be significantly cooler if we were farthest from the sun. As it did on Neptune and Uranus, our water may turn to ice. Because of the contrast between warm and cold temperatures on Earth, part of our water is gas, some is liquid, and some is frozen. The history of water is fascinating to consider! What do you suppose the next cosmic discovery will be?

Content for this question contributed by Terri Du Charme, resident of Marinette, Marinette County, Wisconsin, USA