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News Link • Space Travel and Exploration

Scientist: Jupiter saved earth, ejected gigantic planet from early solar system

• Terrence Aym
The giant Jovian world, fifth planet from the sun, dominates all the worlds of our solar system. According to astronomers, Jupiter also acts like a massive vacuum cleaner sweeping up much of the debris that litters the outer system. Its powerful gravitational field protects the inner planets from many potential cometary and asteroid collisions.

Billions of years ago, it also saved the Earth and Mars and in the process booted a fifth gas giant—a megaworld almost large enough to become a star—out of the system sending it on its way into the cold depths of interstellar space.

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