Fewer big rogue planets roam the galaxy, recount shows

New estimate of wandering Jupiter-mass worlds better matches ideas of how planets become orphans

microlensing illustration

QUICK FLASH  The light from a distant star may temporarily brighten when a free-floating planet passes in front of the star. This artist’s illustration shows how a rogue planet’s gravity distorts and focuses distant starlight as a ring around the planet.

J. Skowron/Warsaw Univ. Observatory

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