Great Divide tagged posts

How the Solar System got its ‘Great Divide,’ and why it matters for Life on Earth

An orrery, a type of device once used to track the movements of the planets, sitting above an infrared image of a hypothetical "protoplanetary" disk that may have divided the solar system early in its history.
An orrery, a type of device once used to track the movements of the planets, sitting above an infrared image of a hypothetical “protoplanetary” disk that may have divided the solar system early in its history. (Credit: K. Ebert/Innovative Ideas & Methods)

Scientists, including those from the University of Colorado Boulder, have finally scaled the solar system’s equivalent of the Rocky Mountain range. In a study published in Nature Astronomy, researchers from the United States and Japan unveil the possible origins of our cosmic neighborhood’s “Great Divide.” This well-known schism may have separated the solar system just after the sun first formed.

The phenomenon is a bit like how the Rocky Mountains divide North America into east and west...

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