Science 10: The Universe & Beyond

What is the center of the solar system?

• Earth

• Moon

• Sun

• Mars

Which galaxy is home to the solar system?

• Andromeda

• Milky Way

• Virgo

• Laniakea

What is the bright center of a galaxy called?

• Disk

• Halo

• Nucleus

• Bulge

Which component of a galaxy surrounds the nucleus and consists of old stars, gas, and dust?

• Disk

• Halo

• Spiral Arms

• Central Bulge

What shape do spiral galaxies typically have?

• Spherical

• Pinwheel

• Irregular

• Elliptical

What is the name of the minor spiral arm where the solar system is located in the Milky Way?

• Perseus Arm

• Sagittarius Arm

• Orion Spur

• Scutum-Centaurus Arm

What is the main characteristic of elliptical galaxies?

• They have spiral arms

• They are full of young stars

• They have a large bulge center and a halo

• They have a disk

What is the shape of irregular galaxies?

• Pinwheel

• Spherical

• Irregular

• Elliptical

What is the name of the galaxy group that the Milky Way belongs to?

• Virgo Cluster

• Local Group

• Laniakea

• Andromeda Group

How many galaxies are typically found in a galaxy group?

• About 50 or less

• Hundreds to thousands

• More than 100

• About 100,000