Cosmos

Which star has the lowest luminosity?

• A

• B

• C

• D

Which measurements allows astronomers to compare the brightness of stars?

• parallax

• red shift

• absolute magnitude

• apparent magnitude

What color are the hottest stars?

• red

• yellow

• orange

• blue

The energy from the sun is created by a process called:

• nuclear fission

• nuclear fusion

• nuclear reaction

• nuclear core

Tags

NGSS.HS-ESS1-1

What does the "x" represent on the diagram?

• A black hole

• Our Solar System

• The North Star

• A constellation

The Milky Way Galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

• Earth is part of this galaxy

• Many more stars exist outside the galaxy

• The stars in the center of the galaxy are extremely small

• the center of the galaxy consists of a dense cluster of stars

What is a light year?

• The distance that light travels in a year

• the time it takes to travel to a star

• The speed of light in a year

• the distance to the Sun

Which star in the diagram above best represents our Sun's current stage in its life cycle?

• White Dwarf

• Main Sequencec

• Red Giant

• Super Giant

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A stars life cycle is dependent on its - 

• distance from Earth

• mass

• temperature

• brightness

Tags

NGSS.HS-ESS1-1

Space and all the matter and energy in it.

• Space

• Solar System 

• Universe

• Sun

Tags

NGSS.HS-ESS1-2