Formation and Motion of Galaxies

Gravity is responsible for which of the following characteristics of a galaxy?

• The motion of the objects within it

• The size of its largest stars

• Its location within the universe

• The color of light it emits

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction

• meteor

• galaxy

• constellation

• solar system

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What type of galaxy is this?

• Elliptical

• Spiral

• Irregular

• Conical

Tags

NGSS.MS-ESS1-2

Which process is most responsible for the formation of galaxies?

• Nuclear fusion

• Gravitational collapse of gas clouds

• Chemical reactions

• Magnetic field interactions

What force pulled the gases and dust in the universe together?

• Gravity

• Newtons

• Electricity

• Magnetism

Tags

NGSS.HS-PS2-4

What is the primary force that governs the motion of galaxies?

• Electromagnetic force

• Nuclear force

• Gravitational force

• Weak force

Tags

NGSS.HS-PS2-4

Which of the following best describes a galaxy?

• A large collection of stars, gas, and dust bound together by gravity

• A single star with orbiting planets

• A cluster of planets without stars

• A cloud of gas and dust without stars

Tags

NGSS.MS-ESS1-2

What is the main component of a galaxy?

• Planets

• Stars

• Comets

• Asteroids

Tags

NGSS.HS-ESS1-3

Which type of galaxy is characterized by a flat, rotating disk?

• Elliptical galaxy

• Irregular galaxy

• Spiral galaxy

• Lenticular galaxy

What is the term for the center of a galaxy where a supermassive black hole is often found?

• Galactic core

• Galactic halo

• Galactic bulge

• Galactic disk