Nebula
A planetary nebula with an intricate, layered structure suggesting repeated bursts of material from its dying central star.
| Type | Nebula |
|---|---|
| Nebula type | Planetary |
| Distance from Earth | 3,300 ly |
| Diameter | 2,840,000,000,000 km |
| Mass | 3.98 × 10^29 kg |
| Temperature | 9,727°C |
| Apparent magnitude | 9.8 |
| Redshift | 0 |
| Hemisphere | Northern |
| Discovered | 1786 |
At 2,840,000,000,000 km across, Cat's Eye Nebula is 222,884,947 times the diameter of Earth.
Its mass is 66,644 times the mass of Earth.
The light reaching us from Cat's Eye Nebula tonight left it around 3,300 years ago.
An average temperature of 10,000 K works out at 9,727 degrees Celsius, warmer than the 15 degrees Earth averages.
It has been on record since 1786.
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