The Ring Nebula (M57) is the glowing, smoke-ring-shaped shell of gas blown off by a dying Sun-like star in the constellation Lyra, and it's the most famous "planetary nebula" in the sky. Hubble revealed that its iconic ring is actually a football-shaped, doughnut-like structure seen nearly end-on, lit from within by the hot ember of the star's exposed core.

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James Webb Space Telescope

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Hubble Space Telescope

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Deep-sky object

Bubble Nebula

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Carina Nebula

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Cat's Eye Nebula

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Cone Nebula

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