1. Astronomy
Mr. Thompson
THE MILKY WAY Galaxy

2. What do you know about the Milky Way?

3. CRASH COURSE ASTRONOMY

4. MILKY WAY FACTS
The Milky Way is part of a Local Group of Galaxies (comprising over 50 galaxies)
Nearly 13.5 billion years old.
Spherical galaxy with two major arms and two minor arms.
# of stars = 200 billion, with enough dust and gas to make billions more.
In the center, contains a supermassive black hole named Sagittarius A. (Mass of about 4.3 million Suns)

5. SIZE OF THE MILKY WAY
100,000 light years wide

6. MAP OF THE MILKY WAY
26,000 light years away

7. FATE OF THE MILKY WAY
Over the next 7 billion years, the gravitational pull between the Andromeda and Milky Way galaxies will cause a collision, which as a result, will form a massive elliptical galaxy.
Collision