NGC 6453

What type of nebula is the Cat’s Eye Nebula?

• Supernova remnant

• Planetary nebula

• Dark nebula

• Reflection nebula

In which constellation is the Cat’s Eye Nebula located?

• Orion

• Draco

• Lyra

• Andromeda

Who discovered the Cat’s Eye Nebula?

• William Herschel

• Edmond Halley

• Charles Messier

• Friedrich Wilhelm Herschel

What is the NGC designation of the Cat’s Eye Nebula?

• NGC 7009

• NGC 6543

• NGC 2392

• NGC 7662

Approximately how far is the Cat’s Eye Nebula from Earth?

• 500 light-years

• 1,000 light-years

• 3,300 light-years

• 5,000 light-years

The Cat’s Eye Nebula is known for its:

• Irregular shape

• Spiral arms

• Complex, layered structure

• Single bright ring

What is at the center of the Cat’s Eye Nebula?

• A black hole

• A neutron star

• A white dwarf

• A red giant

The Cat’s Eye Nebula is famous for its:

• Lack of symmetry

• High-speed stellar winds

• Concentric shells and intricate structure

• Extremely low temperature

Which element is most commonly found in the emission spectrum of the Cat’s Eye Nebula?

• Hydrogen

• Carbon

• Neon

• Silicon

What is responsible for the glowing appearance of the Cat’s Eye Nebula?

• Reflection of starlight

• Ionization of gases by the central star

• Absorption of infrared radiation

• High density of dust