1. To Infinity and Beyond!!! Take out notebooks!

2. Today- Major Structures of the Universe Tomorrow- The Big Bang Theory Thursday- Galaxies Friday- Data Week at a Glance

3. Do Now Major Structures Notes Exit Ticket Today

4. Every thing that exists, ever existed or ever will exist. The observable universe is 46 billion light years. The Universe

6. Cleveland Where are we?

10. -Orbit stars -Massive enough to make itself round -Not massive enough to become a star - There is an estimated 1 x 10 24 planets -That’s 1,000,000,000,000,000,000,000,000 planets!!!!! We are on the planet Earth Planet

11. Planets, moons, and other objects orbiting a star Ours is the Solar System Star System

12. Large, glowing ball of gas in space, that generates energy through nuclear fusion in its core. Planets and other objects orbit them to form star systems. There is an estimated 10 22 to 10 24 stars in the universe. Our star is the Sun. Star

13. A huge group of individual stars, star systems, star clusters, dust, and gas bound together by gravity. There is an estimated 100-200 galaxies in the universe. Ours is the Milky Way Galaxy. Galaxy

14. They are pretty much the same thing, except groups are smaller. They are collections of galaxies. Groups (usually) have no more than 50 galaxies. Clusters have more galaxies. We are in the Local Group. Groups and Clusters

15. Very large collections of clusters and groups. Ours is the Local Supercluster. Superclusters

16. Everything that exists, ever existed or ever will exist. There’s only one and EVERYTHING is in it! The Universe

17. Supercluster Galaxy Planet Solar System Cluster Exit Ticket: Write in Order from smallest to largest