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| Ring Nebula (M57) May 25, 2014 - 5x120sec ISO800 EdgeHD-11 Prime Focus |
Thursday, May 29, 2014
The Ring Nebula (M57)
Here is an image of the Ring Nebula (M57) a small planetary nebula in Lyra. When a star of average size dies, its core abruptly collapses while the outer layers are shed as an expanding shell of gases. This gas bubble can remain visible for centuries as a planetary nebula. The Ring Nebula, M57, is one of the finest examples.
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