New study reveals 3D structure of iconic Ring Nebula
An international team of scientists has produced the clearest three-dimensional view yet of the Ring Nebula—one of the night ...
来自MSN10 天
3D structure of iconic Ring Nebula gives 'a brand new view of an old astronomical friend'
O ne of the most photographed objects in the night sky is the Ring Nebula, wreckage of a bygone sun-like star about 2,000 ...