Earth’s Place in the Universe

Why does our sun appear so bright compared to other larger stars in the sky?

• It is a larger in size than most stars

• It burns hotter than most stars

• It is closer to Earth than other stars

What is the unit of distance we use to measure in space called?

• space year

• star year

• light year

• planet year

The ancient Greeks named the Milky Way after comparing it to

• a Greek god.

• the candy bar.

• a milky white river.

• an ancient galaxy that existed a long time ago.

The Milky Way measures ____ light years in length.

• 26,000

• 1 million

• 1000

• 100 thousand

Tags

NGSS.MS-ESS1-2

Our Sun and solar system lies within the ____ arm of the Milky Way galaxy.

• Cygnus

• Perseus

• Sagittarius

• Orion

Tags

NGSS.MS-ESS1-2

Variable stars are stars that fluctuate in

• size.

• magnetic field strength.

• temperature.

• brightness.

Tags

NGSS.HS-ESS1-3

These type of clusters with variable stars orbit the Milky Way and other galaxies.

• open clusters

• closed clusters

• globular clusters

• stellar associations

Tags

NGSS.HS-ESS1-3

What is the name of our galaxy?

• Milk Bone

• Milky Way

• The Solar System

• The Universe

Tags

NGSS.MS-ESS1-2

A light year is ____________________

• the year I lost most of my weight.

• the distance it took Han Solo to make the Kessel Run.

• the distance it takes a particle of light to travel in one year.

• the part of the Milky Way that has the most stars.

Tags

NGSS.MS-ESS1-3

Who was the first to discover, or at least record, that clusters were composed of many stars?

• Galileo Galilei

• Nicolaus Copernicus

• Johannes Kepler

• Edwin Hubble