Scientists reveal the unexpected structure of the Southern Ring Nebula: ‘We were amazed’
The glorious, billowing Southern Ring Nebula is the cocoon of a dying star – and it has a secret. Scientists have discovered that this nebula exhibits a double ring structure, revealing not one, but possibly three stars at its heart. The Southern Ring Nebula, also called NGC 3132, is a planetary nebula located about 2,000 … Read more