1. Cosmic Collisions Josh Barnes

2. Stellar Collision

3. A collision between the Sun and another star would take a few hours Afterwards, the Solar System would be a “disaster area”

4. What is the chance that the Sun will ever collide with another star? One in four billion..

5. What are chances that the Sun or Earth will ever collide with a Black Hole? Far lower still.

6. But …in some parts of the Galaxy, the odds of collisions are much higher.

7. Galaxy Collisions The Milky Way is now swallowing a small galaxy, the Sagittarius dwarf. In a few billion years the Milky Way will collide with our larger neighbor, the Andromeda galaxy

8. ”The Mice'' are in the middle of a collision that will last 300 million years.

9. The Mice at Play

10. How Dangerous are Galactic Collisions? mostly harmless, unless...

11. ….. the galaxies contain supermassive black holes.

12. Conclusion: Don’t Panic