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The Report by Parts

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A study shows that there was a second sun (star) in the solar system used to orbit in the asteroid belt, between Mars and Jupiter, around 200 million years ago.

Graphical Summary
the solar system 200 million years ago

planets of the second sun
The spherical space objects that are currently classified as moons of Jupiter and Saturn used to be planets of the Second Sun!

the solar system with a second sun 200 million years ago
The solar system might have been in this layout when the second sun was fully functioning. The two stars orbit each other around a common center of mass; each star had five rocky planets; the gas giants orbit the two stars... At the end of its life, when it lost most of its mass, the second sun started a new orbit around the existing sun, the orbit that is now called, the asteroid belt.



Published: January 15, 2014
Last Updated: March 22, 2017

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