Galaxies

What type of galaxy is the Milky Way?

• Spiral

• Elliptical

• Irregular

• Transition

One of the more common types of galaxies which have stars still forming within them are...

• Elliptical

• Spiral

• Irregular

• Transition

Galaxies are composed of (best answer)

• stars
• stars and gas
• stars, dust, and gas
• stars, dust, and gas held together by gravity

A__________ is a star that collapsed into an extremely small size. (Write in small letters)

What is the central gravitational source in galaxies?

• Black hole

• star

• nebula

• Earth

What keeps other stars in orbit around a black hole?

• Gravitational force

• Earth force

• Magnetic force

• frictional force

What type of galaxy has arms radiating from the center?