Planetary Nebulae

What is a planetary nebula?

• A shell of illuminated gas surrounding certain dying stars

• A galaxy

• A type of planet

• A black hole

Tags

NGSS.HS-ESS1-3

What happens when a star similar to our sun runs out of fuel?

• It forms a planetary nebula

• It explodes as a supernova

• It turns into a neutron star

• It becomes a black hole

What is the byproduct when adult stars burn hydrogen?

• Nitrogen

• Helium

• Carbon

• Oxygen

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is a thermal pulse?

• A permanent ignition of helium

• A temporary re-ignition of helium and increase of luminosity in a dying star

• A decrease in the star's temperature

• A type of starquake

What causes the gases in a planetary nebula to glow?

• The presence of water vapor

• The star's magnetic field

• Ultraviolet radiation from the hot core

• The star's rotation

Tags

NGSS.HS-PS4-3

What does the red color in the Ring Nebula indicate?

• Carbon

• Hydrogen and ionized nitrogen

• Doubly ionized oxygen

• Ionized helium

Tags

NGSS.HS-PS4-3

What is the core of a star made of after helium is burned?

• Silicon

• Iron

• Carbon

• Oxygen

Tags

NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

Why are planetary nebulae called 'planetary'?

• They are formed from planets

• They look like planets through a small telescope

• They are related to planets

• They orbit planets

What happens to the outer gaseous layers of a star during a thermal pulse?

• They collapse into the core

• They turn into solid matter

• They are absorbed by nearby planets

• They separate from the core and are ejected into space

What signifies the blue color in the Ring Nebula?

• Ionized nitrogen

• Doubly ionized oxygen

• Hydrogen

• Ionized helium