Red supergiant stars 'dance' because they have too much gas

A new study has revealed why red supergiant stars appear to dance around in the space. Simulated maps show that the motion of massive, shifting structures on the stars' surfaces causes their light to wobble.

Red supergiant stars 'dance' because they have too much gas
A new study has revealed why red supergiant stars appear to dance around in the space. Simulated maps show that the motion of massive, shifting structures on the stars' surfaces causes their light to wobble.