Babies got to eat to grow big, and a baby star is no exception. Astronomers studying a young star noticed that it is being fed a steady stream of gas from nearby planets:
Astronomers observing the still-forming sun HD 142527, located about 450 light-years away, have found that it is being fed by two hidden gas giant planets several times the mass of Jupiter. The planets, which are also still forming, each live in and are obscured by their own river of gas, which flows from a large, misshapen halo on the outer edge of the system [...] The planets' gravity draws gas from the halo, but much of that gas overshoots them and hurtles across a vast gap toward the star instead ...