Planets form through domino effect

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Planets form

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multiple planets

ScienceDaily

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Planets form through domino effect

Summary

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78% Informative

New radio astronomy observations of a planetary system in the process of forming show that once the first planets form close to the central star, these planets can help shepherd the material to form new planets farther out.

In this way each planet helps to form the next, like a line of falling dominos each triggering the next in turn.

The location of this dust clump suggests that the already-formed planets interact with the surrounding disk, concentrating dust grains into a narrow region at the outer edge of their orbits.

These clumped dust grains are thought to grow into a new planet.

This work observationally shows that the formation of planetary systems, like the Solar System , can be explained by the sequential formation of the planets.

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