Structure of the Universe

A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.

• Big Bang Theory

• Singularity Theory

• Galaxy Theory

Tags

NGSS.HS-ESS1-2

What kind of galaxy is this?

• Ring

• Irregular

• Spiral

• Elliptical 

What type of galaxy do we live in?

• Spiral

• Elliptical

• Irregular

• Coaxial

Tags

NGSS.MS-ESS1-2

To study something as vast as the universe and its structures, scientists often find it helpful to organize information in a simplified visual form. Which of the following represents structures of the universe in order from largest to smallest?

• universe-->galaxy-->solar system-->planet

• solar system-->universe-->planet-->galaxy

• planet-->galaxy-->solar system-->universe

• planet-->solar system-->galaxy-->universe

Tags

NGSS.MS-ESS1-3

Which of the following contains billions of galaxies?

• star

• nebula

• universe

• . solar system

Which of the following is an accurate description of the relationship between components of the universe?

• Stars always contain galaxies

• Galaxies contain many stars

• Stars contain several nebulae

• Nebulae contain many galaxies

Which of these correctly compares the masses of different objects in the universe?

• A moon has less mass than a star and more mass than the planet it orbits.

• A planet has less mass than a galaxy and more mass than the star it orbits.

• A galaxy has less mass than a moon and more mass than a planet.

• A star has less mass than a galaxy and more mass than a planet.

How many galaxies are in the known universe?

• Hundreds

• Thousands

• Millions

• Billions

Tags

NGSS.HS-ESS1-2

Which of these is never ending?

• solar system

• planet

• universe

• galaxy

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

• elliptical

• humanoid

• irregular

• spiral