Deep-Sky Dreams: The Owl Nebula

Planetary nebulae have nothing to do with planets. They simply appeared kinda like planets in telescopes long ago, their glowing disks suggesting a name that linked them to actual planetary disks.  The summer sky is filled with planetary nebulae, and these objects give us a look at our solar system’s future. Some 6 billion yearsContinue reading “Deep-Sky Dreams: The Owl Nebula”
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