M 57 – Lyr
With no doubts, Messier 57 is the most famous planetary nebula in the sky. It is often called the “Ring” nebula, for obvious reasons. It was discovered by A. D. de Pellepoix in...
With no doubts, Messier 57 is the most famous planetary nebula in the sky. It is often called the “Ring” nebula, for obvious reasons. It was discovered by A. D. de Pellepoix in...
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