Richard B, Chad H, Stephen G

Listen and Communicate with

Intelligent Life

How do we want to be remembered?

• 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

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.

1 2 3 4 5 6 7 8 9 10

Start marker

Numbers in binary

Our base number system

DNA Elements

H C N O P1 6 7 8 15

Atomic Number

NucleotidesDeoxyribose Adenine Thymine Deoxyribose

Phosphate Phosphate

Deoxyribose Cytosine Guanine Deoxyribose

Phosphate Phosphate

H C N O P

Double Helix DNA

Pictorial representation of double helix.

2 middle rows represent approx. 4.3 billion in binary to

represent number of nucleotides.

Humanity

Middle:Representati

onof a

human

Left:Averag

e human height

Right:Human

population

Solar System

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

Telescope

Top section is a pictograph of the telescope

emphasizing the parabolic shape

Bottom 2 rows communicate the

telescopes diameter

•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)

• 43 X 135

• 3 Radio Frequencies

• Visual, Informational, and Musical

• Compartments

H.E.Y. Message

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.

Binary Number System

1 2 3 4 5 6 7 8 9 10

Number Marker

Elements

Atomic Numbers

H C N O Mg Si P

1 6 7 8 12 14 15

Earth's Composition

SiO2 MgO H2O N2 O2

Earth's Crust Liquid Earth's Atmosphere

Nucleotides

Radioactive Decay

Reaction happens at a set rate

Carbon 14 Nitrogen 14

Distances

Earth to Kepler 22b

Pictorial Representation

Time/Distance

Earth to the center of the Milky Way

MusicOpening 6 pitches to

Igor Stravinsky's Le sacre du

printemps

Selected Tones (Hz)

C 4,186.01B 3,951.07G 3,135.96E 2,637.02B 3,951.07A 3,520.00

Pictures/Locations

Arecibo Message73 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 Transmission1.19 GHZ

Green Bank Telescope (GBT)

Green Bank, West Virginia

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

Questions?