1. The Milky Way

2. The Milky Way
• Galaxies are large groups of stars

3. The Milky Way
• the Milky Way is
our galaxy.
• It is one of the
millions of
galaxies wich
form the universe.
• It contains
hundreds of
billions of stars.

4. The Milky Way
• Scientists measure distances between
stars in light years.
• A light year is the distance light travels
in one year.