Our Cosmic Address (Review)

How wide is the Milky Way?

• 100,000 miles across

• 100,000 kilometers across

• 100,000 light years across

• 100,000 astronomical units across

Tags

NGSS.MS-ESS1-3

How large is the Local Group?

• 100,000 kilometers across

• 100,000,000 kilometers across

• 10,000,000 light years across

• 10,000,000 astronomical units across

The largest galaxies in the Local Group are the Milky Way and

• Andromeda

• Laniakea

• Virgo

• Alpha Centauri

True or False: One day the Milky Way and Andromeda will collide.

• True

• False

Who is our nearest galactic neighbor? (spelling counts)

Which of these is the largest?

• The Milky Way

• The Local Group

• The Laniakea Supercluster

• Andromeda

Which of these is the smallest?

• The Milky Way

• The Local Group

• The Laniakea Supercluster

• Andromeda

Reorder the following from largest to smallest:

• Observable Universe

• Laniakea Supercluster

• The Local Group

• The Milky Way

• The Solar System

True or False: The Milky Way is larger than the Local Group.

• True

• False

True or False: The Laniakea Supercluster is bigger than the Virgo Supercluster.

• True

• False