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‘Rogue planets’ born outside solar systems

Free-floating, “rogue” planets that don’t orbit a star can form on their own outside a solar system.

Astronomers observed the Rosette Nebula which is filled with tiny clouds called “globulettes”. They believe these globulettes collapse under their own weight and form free-floating planets.

Traditionally, scientists believed rogue planets were formed within and then ousted from an existing solar system.

Read more at Chalmers University of Technology