Put a Ring on it

Look: Astronomers clearly capture planets and moons forming in deep space

ESO/L. Calçada, ALMA (ESO/NAOJ/NRAO)/Benisty et al.

ALMA (ESO/NAOJ/NRAO)/Benisty et al.

Nearly 400 light-years from Earth, two new planets are forming inside this giant circumstellar disc.

Inside that, a smaller disc is circling one of the planets.

ESO/L. Calçada, ALMA (ESO/NAOJ/NRAO)/Benisty et al.

Astronomers have long hypothesized that these circumplanetary discs exist, but it wasn’t until recent years that they actually spotted one in the universe.