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Why Does the Saturn Nebula Appear Greenish-Yellowish in Small Telescopes?
đź’ˇ The Answer
- The nebula's greenish-yellowish hue is visible in small amateur telescopes.
- This color comes from ionized gases excited by the central white dwarf star.
- Specifically, doubly ionized oxygen (O III) emits green light.
- The exact shade depends on the telescope's optics and observation conditions.
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