Star Systems & Galaxies

What are the the 3 types of galaxies?

• Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies

• Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies

• Milky Way, Elliptical Galaxies, and Spiral Galaxies

• Milky Way, Elliptical Galaxies, and Irregular Galaxies

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy

• Solar system, planets, galaxy, universe

• Planets, solar system, galaxy, universe

• Galaxy, solar system, planets, universe

Distance measurement used by astronomers for distant objects.

• Kilometers
• Light Years
• Miles
• Light Seconds

Tags

NGSS.MS-ESS1-3

What is the name of our galaxy?

• Our galaxy is called the Milky Way galaxy

• Our galaxy is called the Andromeda galaxy

• Our galaxy is called the Grand spiral galaxy.

• Our galaxy is called the Whirlpool galaxy.

Tags

NGSS.MS-ESS1-2

How many stars are in a galaxy.

• millions or billions
• thousands
• hundreds
• Ten

Tags

NGSS.MS-ESS1-2

A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?

• heat
• light
• gravity
• friction

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The Milky Way galaxy is an example of an irregular galaxy

• true
• false

A disk shaped galaxy with a round or bar shaped center. They rotate with spiral arms that contain interstellar dust and gas. This promotes star formation and an abundance of young stars.

• Irregular Galaxy

• Spiral Galaxy

• Elliptical Galaxy

Tags

NGSS.MS-ESS1-2

These galaxies have an irregular shape and occur from a collision of galaxies. They contain a complex mix of interstellar gas and dust, young stars, and old stars.

• Irregular Galaxy

• Spiral Galaxy

• Elliptical Galaxy

This is the most common type of galaxy. They have an ellipsoidal shape and are the oldest and dimmest galaxy.

• Irregular Galaxy

• Spiral Galaxy

• Elliptical Galaxy

Tags

NGSS.MS-ESS1-2