1. Welcome To….. The Trick is to Pick!

2. THE SUN

3. Sun vs. Earth  Answers  A. 109 times smaller  B. The Earth Stress Ball Over 1 million Earths would fit inside the Sun The average distance from the earth to the sun is called an Astronomical Unit (AU)  1 AU = 150,000,000 kilometers or 93 million miles

5. THE SOLAR SYSTEM

6. The Solar System  Answers  A. Scotch Tape Roll  B. a grain of salt  C. a microscopic bacteria 8 planets  Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune  Answers  A. Scotch Tape Roll  B. a grain of salt  C. a microscopic bacteria 8 planets  Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

7. The Solar Neighborhood  A grouping of stars “close” to each other  The region of the Galaxy within 32.6 light- years of the sun  Here stars move generally with the sun in its orbit around the center of the galaxy  A grouping of stars “close” to each other  The region of the Galaxy within 32.6 light- years of the sun  Here stars move generally with the sun in its orbit around the center of the galaxy

8. The Solar Neighborhood

9.  Answer  A. a grain of salt  Answer  A. a grain of salt

10. The Milky Way

11. The Milky Way Galaxy  Answers  A. Nickel It takes 250 million years for the Sun to complete one orbit We are located at the edge of a spiral arm (30,000 light years away from center)  Answers  A. Nickel It takes 250 million years for the Sun to complete one orbit We are located at the edge of a spiral arm (30,000 light years away from center)

13. The Local Group  Contains 3 large spiral galaxies -->  Milky Way, Andromeda, and Triangulum  Also includes a few dozen dwarf galaxies  Gravitationally bound together, orbiting around a common center of mass  6.5 million light years in diameter  Contains 3 large spiral galaxies -->  Milky Way, Andromeda, and Triangulum  Also includes a few dozen dwarf galaxies  Gravitationally bound together, orbiting around a common center of mass  6.5 million light years in diameter

15. The Local Group  Answer  A. The big Globe  Answer  A. The big Globe

16. Local Supercluster  A cluster of many groups of galaxies  Gravitationally bound together  However, local supercluster is getting bigger with time  It has a flattened shape  A cluster of many groups of galaxies  Gravitationally bound together  However, local supercluster is getting bigger with time  It has a flattened shape

17. The Local Super Cluster

18. Local Supercluster  Answers  A. a small globe  B. a quarter  Answers  A. a small globe  B. a quarter

19. The Entire Universe  Observable Universe is 156 billion light years in diameter  Around 100 billion galaxies  Big and expanding  Observable Universe is 156 billion light years in diameter  Around 100 billion galaxies  Big and expanding

21. The Entire Universe  Answers  A. A dime  B. A grain of salt  Answers  A. A dime  B. A grain of salt

23. Sun Vs. Pluto  A. 669 times  B. Nickle  A. 669 times  B. Nickle