Structure of Universe

A _____ is a large collection of stars, gas, and dust held together by gravity.   

• Planet

• Nebula

• Galaxy

• Sun

What are the four structures and systems of the universe?

• Galaxies

• Planetary Systems

• Stars

• Planets

• Light Years

Tags

NGSS.MS-ESS1-2

Includes all matter and space that exists...

• Planets

• Stars

• Moons

• Universe

What are the three types of galaxies?

• Elliptical

• Spiral

• Whimsical

• Irregular

What do we call a cluster of stars, dust, gas, and matter?

• a planet

• a star system

• a planetary system

• a galaxy

Tags

NGSS.MS-ESS1-2

Which of the following lists the astronomical structures from smallest to largest?

• planetary system, galaxy, universe, planet

• planet, planetary system, galaxy, universe

• universe, planet, galaxy, planetary system

• galaxy, universe, planetary system, planet

What units do we use to measure the distance between galaxies?

• kilometers

• billometers

• light years

• sound years

What existed one second after the Big Bang?

• Hydrogen

• Stars

• Elementary Particles

• Galaxies

Tags

NGSS.HS-ESS1-2

Which substance is responsible for the expansion of the universe?

• Dark energy

• Dark matter

• Ordinary matter

• None of the above

What is the largest known structure in the universe?

• A) Galaxy

• B) Supercluster

• C) Nebula

• D) Star