来自MSN25 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 light-years from Earth. Its striking, smoke-ring-like app ...
Space.com26 天
3D structure of iconic Ring Nebula gives 'a brand new view of an old astronomical friend'
We are staring "right down the barrel of it, which is really quite surprising to me — we're just lucky." One of the most photographed objects in the night sky is the Ring Nebula, wreckage of a ...
Yahoo26 天
3D structure of iconic Ring Nebula gives 'a brand new view of an old astronomical friend'
Fresh observations of the Ring Nebula have now traced the motion of gas molecules along its border, allowing astronomers to tease out its structure in greater detail. The results show the remnant ...