Space.com1 个月
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 ...
Astronomy on MSN10 个月
The Shy Five: Lesser known deep-sky objects worth seeking out
Every constellation has something within its borders worth tracking down, if you just look hard enough. Consider these Shy ...
来自MSN29 天
3D structure of iconic Ring Nebula gives 'a brand new view of an old astronomical friend'
One 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 appearance has both ...