A powerpoint presentation that I made for a "Toastmasters" meeting.

1. THE WONDER OF IT ALL
“Getting Comfortable With Visual Aids”
Competent Communication Manual
Project # 8

2. How Big is The Universe

3. SPEED OF LIGHT
186,282 miles per second (mps)
670,616,629 miles per hour (mph)
One Light Year =
5.875 trillion miles

4. Our Sun
93,000,000 miles away
875,000 miles across
1,300,000 Earths fit inside
STARS

5. Alpha Centauri
 4.2 light years away

6. VY Canis Majoris
 1,800 – 2,100 larger than Sun
 1,700,000,000 miles across

7. GALAXIES

8. Andromeda Galaxy

9. Galaxy IC 1101
 100 trillion Stars
o 200 – 400 Billion in Milky
Way
 6,000,000 light years across
o 100,000 Milky Way

10. THE VISIBLE UNIVERSE
What We Can See
 28 Billion Light Years Across
 10 Billion Galaxies
 Infinitely Small Fraction

11. References
 Redd, Nola. www.space.com, "The Speed of Light." Last modified June
10, 2013. Accessed June 10, 2013. http://www.space.com/15830-
light-speed.html.
 Darnell, Tony. www.Hubblesite.com, "Deep Astronomy Episode Two."
Last modified May 09, 2013. Accessed June 10, 2013.
http://hubblesite.org/explore_astronomy/deep_astronomy/episodes
/2.
 Halpern, Paul. PBS, " How large is the observable universe?." Last
modified October 10, 2012. Accessed June 10, 2013.
http://www.pbs.org/wgbh/nova/physics/blog/2012/10/how-large-is-
the-observable-universe/.