Components of the Universe

To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -

• meter
• kilometer
• light year
• astronomical unit

How many of the stars visible in the night sky are closer to Earth than to the Sun?

• All of them
• None of them
• About half
• Only one

The stars and all the other matter in a galaxy are held together by which of the following?

• Dark matter
• Inertia
• Gravity
• Magnetism

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

An interstellar cloud of dust and gases that serves as a location for the formation of new stars is -

• a meteor
• a planet
• a galaxy
• a nebula

Our Sun is located near the edge of a _____ ______ galaxy, named the ____________.

• disc shaped, Milky Way
• disc shaped, Solar System
• elliptical shaped, Milky Way
• elliptical shaped, Solar System

In November 2013 an object orbiting the sun seemed to disappear behind the sun. When a satellite did not detect the object, astronomers thought that the object had been destroyed when it passed close to the sun. However, when another satellite detected a small, bright object with a fan-shaped tail, astronomers proposed that the object was not destroyed.

What type of object were astronomers most likely observing?

• A comet

• An asteroid

• A meteor

• A nebula

Which has more mass, Earth or the Moon?

• Earth
• Moon
• The same

Tags

NGSS.MS-PS2-4

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

Tags

NGSS.MS-ESS1-3

Our sun is in a disk shaped galaxy located at which position?

• A

• B

• C

Tags

NGSS.MS-ESS1-2

Space and all the matter and energy in it is...

• Universe
• Galaxy
• Solar System
• Ecosystem

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3