1. Richard B, Chad H, Stephen G Listen and Communicate with Intelligent Life

2. How do we want to be remembered?

3. 1820: Carl Friedrich Gauss - reflecting sunlight towards the planets, giant triangle in the Siberian forest 1840: Joseph von Littrow - light a 30 km wide canal ablaze with kerosene 1869: Charles Cros - use a parabolic mirror to flash messages 1974: Frank Drake - First radio message "Arecibo Message" Gold plates on Pioneer 10 and 11 Golden record on Voyagers 1 and 2 Social Network Bebo broadcasts 501 user submitted messages Cosmic Calls 1 and 2 Early Broadcast Attempts

4. Arecibo Message Broadcast on November 16th 1974 from the Arecibo radio telescope. Aimed toward globular star cluster M13. M13 is 25,000 light years away.

5. 1 2 3 4 5 6 7 8 9 10 Start marker Numbers in binary Our base number system

6. DNA Elements H C N O P 1 6 7 8 15 Atomic Number

7. Nucleotides Deoxyribose Adenine Thymine Deoxyribose Phosphate Deoxyribose Cytosine Guanine Deoxyribose Phosphate H C N O P

8. Double Helix DNA Pictorial representation of double helix. 2 middle rows represent approx. 4.3 billion in binary to represent number of nucleotides.

9. Humanity Middle: Representation of a human Left: Average human height Right: Human population

10. Solar System Give location of earth and general not to scale size representation.

11. Telescope Top section is a pictograph of the telescope emphasizing the parabolic shape Bottom 2 rows communicate the telescopes diameter

12. 1960 – Frank Drake 1960’s – Soviets 1970’s – American Astronomers 1992 – NASA’s Ames Research Center –Jet Propulsion Laboratory 1995 – SETI Institute Project Phoenix Allen Telescope Array 1999 – UC Berkeley SETI@home SETI (Search for Extraterrestrial Intelligence)

13. 43 X 135 3 Radio Frequencies Visual, Informational, and Musical Compartments H.E.Y. Message

14. Why Radio Waves? Radio Waves have a long wavelength Dust in space or atmospheric conditions can decay short wavelengths more easily. Insignificant radio background. Cosmic microwave radiation is 7.35 cm.

15. Binary Number System 1 2 3 4 5 6 7 8 9 10 Number Marker

16. Elements Atomic Numbers H C N O Mg Si P 1 6 7 8 12 14 15

17. Earth's Composition SiO 2 MgO H 2 O N 2 O 2 Earth's Crust Liquid Earth's Atmosphere

18. Nucleotides

19. Radioactive Decay Reaction happens at a set rate Carbon 14Nitrogen 14

20. Distances Earth to Kepler 22b Pictorial Representation Time/Distance Earth to the center of the Milky Way

21. Music Opening 6 pitches to Igor Stravinsky's Le sacre du printemps Selected Tones (Hz) C 4,186.01 B 3,951.07 G 3,135.96 E 2,637.02 B 3,951.07 A 3,520.00

22. Pictures/Locations

23. Arecibo Message 73 x 23 (210 Bytes) H.E.Y. 135 x 43 (726 Bytes) 3.5 X larger than Arecibo (1974) Operating range 0.1-116 GHz 48 X Arecibo transmission HEY Transmission 1.19 GHZ Green Bank Telescope (GBT) Green Bank, West Virginia

24. Cost of H.E.Y. transmission 1000Kw Power supply 10.3 minutes/transmission $15.83/transmission $1,583.33 NASA 2013 Budget $18.7 Billion Transmission Date (H.E.Y. Day) December 23, 2013

25. Questions?