Galaxies & Beyond

A galaxy can contain how many stars?

• up to 500

• up to 30,000

• up to 10 million

• up to many billions

How are irregular galaxies deformed?

• from collisions with other galaxies

• from gravitational pull from a black hole

• from extremely rapid spin

• from extremely rapid formation

Spiral galaxies have

• only old stars

• fewer stars than globular clusters

• a bulge at the center

• an elliptical shape

Our solar system is slowly spinning around our galaxy

• True

• False

Tags

NGSS.HS-ESS1-4

Why would 2 galaxies collide?

Tags

NGSS.HS-PS2-4

Two stars in a solar system is a(n)

Earth resides in the _________ Galaxy

Tags

NGSS.MS-ESS1-2

What explains the phenomenon that Hubble discovered?

• the universe is becoming warmer

• the universe is becoming cooler

• the universe is expanding

• the universe is collapsing

Scientists believe dark energy can explain what phenomenon?

• the creation of the universe

• the increasing rate of expansion of the universe

• the collapse of the universe

• the shape of the universe

The farther away a galaxy is

• the faster it is moving away from us

• the slower it is moving away from us

• the faster it is coming toward us

• the slower it is coming toward us

Tags

NGSS.HS-ESS1-2