1. Look, but don't touch Why extraterrestrials (probably) haven't been here ● Authors:Carley Wilson, Brigette Eckert, Kiel Johnson Debate whether or not the evidence indicates aliens have visited us. PART ONE: Evidence does not support that aliens are here.

2. Our Solar System

3. ● Billions of Stars in the Galaxy The Milky Way

4. ● Billions of Galaxies in the Universe

5. ● Where's the proof?

6. ● Crop Circles

7. Was it Aliens?

8. Did a wizard do it?

9. Unicorns?

10. Or was it...

12. Humans build amazing things

14. Why not crop circles?

15. ● Early Crop Circles, with a very simple design

16. ● Crop Circles from the Early 90s

17. Recent Designs circlemakers.org

18. Roswell ● Aliens supposedly crashed in Roswell ● “Alien bodies” supposedly found ● “Suspicious debris” recovered

19. The Debris

20. Witness Testimony ● "They took one picture of me on the floor holding up some of the less-interesting metallic debris…The stuff in that one photo was pieces of the actual stuff we found. It was not a staged photo."-Maj. Jesse Marcel, Pictured in the last slide ● “large area of bright wreckage made up of rubber strips, tinfoil, a rather tough paper and sticks.”-William Brazel, on whose property the crash occurred

21. Project Mogul 1947-48 ● High altitude balloon experiments conducted during the time of the crash ● Meant to detect Soviet nuclear tests on warm high altitude air currents

22. Occam's Razor ● Given all the evidence, the simplest explanation is the best ● There is no evidence of Aliens