Over the last 1,500 years, nearly one and a half times the mass of our Sun has been lost by the central star of the Boomerang Nebula in an ejection process known as a bipolar outflow.
V zadnjih 1500 letih je zvezda v središču meglice Bumerang s procesom, znanim kot bipolarno odtekanje, izgubila skoraj eno in pol sončevih mas.