The earth used to be a sphere

Recent research shows that planets that are surface-like Earth are formed from a layer of dust and asteroids twisted together.

Thermal vapors dissolve the ice of asteroids before water combines with meteorite constituent materials mixed and twisted into solid rock.

The scientific publication of scientists from Australia's Curtin University and the Planetary Science Institute in Arizona, USA, may make us change the way we think about Earth's formation 4.5 years ago. billion years. This study was published in Science Advances magazine.

Bryan Travis, an expert at the Planetary Science Institute, said: " First the ice on the meteorites will melt due to the heat released from the decay of nearby radioactive isotopes. with fine dust particles forming mud '. In other words, the Earth previously had the same structure as a mud growing.

The team looked into the hypothesis that rocks that made up Earth in the early days had much in common with meteorites that collided with the mother's surface in recent years.

Scientists identify Earth as a giant 'mud' sphere.(Photo: Shutterstock).

The meteorite fragments and dust masses twisted together at the center thanks to the gravity of gravity that created the spherical shape for the Earth. The team also identified carbon-containing "chondrites," a type of meteorite that is older than Earth, which is one of the main factors and a kind of asteroid that helps make earth mother today.

By studying these ancient meteorite fragments, we can also discover some other compounds involved in the shaping process.

The researchers write in the thesis: "The unusual chemical composition of CI chondrite and CM, the abundance of water and the mixture of complex organic substances present in a meteorite have led many people to identify objects. This age of more than 4.6 billion years is the precursor to planets with earth surface '.

The researchers used the model of 'global and Mars' meteorological hydrographs to make conjectures based on this hypothesis.

The research team simulated the flow of water and minerals in ancient asteroids under varying conditions. The results showed that the chemical composition of these asteroids was altered by water.

The ancient earth may include dust and "chondrule" - small meteorite rocks that have melted and condensed again. The minerals of the rocks were squeezed into the core and fine soil particles emerged from the surface, the team said.

Chondrite: The oldest meteorites ever appeared on Earth are primitive materials that make up planets. Previous research has shown that, among these meteorites, chondrite enstatites (meteorite containing many minerals) are a combination of very similar isotopes with Earth, from which they can be concluded are raw materials that form the Earth. (Isotopes are different forms of an element with different numbers of neutrons).

Each of these meteorites is worth several thousand to several hundred thousand dollars. Recently, at the meteorite auction at Christie's auction company in New York, some meteorites cost up to more than $ 120,000.