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Study: Our early solar system was divided into inner and outer regions…

(MENAFN- Youm7) Scientists found that our early solar system was divided into an inner and an outer region, either by the pull of Jupiter’s gravity or strong winds that blow materials outward, as a new study revealed that our early solar system had a gap between its inner and outer regions even when It was just a swirling mass of gas and dust.

The mysterious gap has been described as the “cosmic boundary”, about 4.567 billion years ago, when the solar system had just formed, and it grew to form what is today the gap between Mars and Jupiter, separating the inner and outer planets.

The study was conducted by experts at the Massachusetts Institute of Technology (MIT), based on the analysis of ancient meteorites and fragments of asteroids that fell to Earth from space.

Researchers don’t know exactly what created the gap, but it could be caused by small Jupiter or winds from the solar system.

It is also already known that the first four planets (Mercury, Venus, Earth and Mars) make up the inner solar system, while the last four planets (Jupiter, Saturn, Neptune, and Uranus) make up the outer solar system.

The gap between Mars and Jupiter currently, where the asteroid belt is located, is 3.68 astronomical units (342.24 million miles), but this is not the largest gap between two neighboring planets, the largest average distance between two planets today is between Uranus and Neptune, at 10.88 astronomical units (AU), That’s 1.01 billion miles.

The researchers of this new study were unable to determine the size of the historical gap, which was just a hole in the protoplanetary disk, but it was much smaller than it is now.

This physical separation of the gap could have shaped the formation of the solar system’s planets, by preventing materials on either side of them from interacting.


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