Two giant planets less dense than candy floss discovered orbiting the same star

Astronomers have discovered two of the lightest planets ever found – giants roughly the size of Jupiter yet so lacking in density that, gram for gram, they are less dense than candy floss. Both orbit the same distant star and gravitationally tug each other off their orbital schedules. The discovery was made using observations from Antarctica; scientists are now investigating how planets can form with such astonishingly low density.

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