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© 2002 The SETI League, Inc.© 2002 The SETI League, Inc.All Rights ReservedAll Rights Reserved

Are Are

We We

Alone?Alone?

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Are Are TheyThey Alone? Alone?

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Birth of Radio AstronomyBirth of Radio Astronomy

• Karl JanskyKarl Jansky

• Bell Labs, 1932Bell Labs, 1932

• Bruce Array Bruce Array

• Cosmic StaticCosmic Static

© 2002 The SETI League, Inc.© 2002 The SETI League, Inc.All Rights ReservedAll Rights Reserved

Amateur ScienceAmateur Science

• Grote Reber, W9GFZGrote Reber, W9GFZ• 10 meter dish, 193710 meter dish, 1937• first true radio telescopefirst true radio telescope• first Milky Way mapfirst Milky Way map

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So What’s A SETI?So What’s A SETI?

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Searching for Inter-Searching for Inter-Stellar CommunicationStellar Communication

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Project OzmaProject Ozma

• Frank D. DrakeFrank D. Drake• Green Bank WV, 1960Green Bank WV, 1960• Two Sun-like StarsTwo Sun-like Stars• Order of the DolphinOrder of the Dolphin

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The Drake EquationThe Drake Equation

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Big EarBig Ear

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Mom?Mom?

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Wow!Wow!

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© 2002 The SETI League, Inc.© 2002 The SETI League, Inc.All Rights ReservedAll Rights Reserved

Could It Be Could It Be a Hoax?a Hoax?

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The Microwave WindowThe Microwave Window

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Extra-Solar Planets? Extra-Solar Planets?

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Habitable ZonesHabitable Zones

• Stable OrbitsStable Orbits• Rocky ShoresRocky Shores• Nitrogen SkiesNitrogen Skies• Liquid WaterLiquid Water

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© 2002 The SETI League, Inc.© 2002 The SETI League, Inc.All Rights ReservedAll Rights Reserved

Life in the UniverseLife in the Universe

• Planets AbundantPlanets Abundant• Liquid WaterLiquid Water• Organic MoleculesOrganic Molecules• Microbial LifeMicrobial Life

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Complex Life?Complex Life?

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Intelligent Life?Intelligent Life?

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What Does It Take?What Does It Take?

• Once, facilities only Once, facilities only governments could governments could affordafford

• In fact, the kinds In fact, the kinds not evennot even governments can affordgovernments can afford

• New paradigm: SETI New paradigm: SETI with what with what youyou can afford can afford

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The SETI League, Inc:The SETI League, Inc:

•GlobalGlobal•Grass-rootsGrass-roots•NonprofitNonprofit

A New A New Kind of Kind of

Ham ClubHam Club

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Do It Yourself SETIDo It Yourself SETI

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Project ArgusProject Argus

Launched 21 April 1996Launched 21 April 1996Initially, 5 radio telescopesInitially, 5 radio telescopes

Our Goals:Our Goals:

• 5000 small dishes5000 small dishes• Coordinated via Coordinated via

the Internetthe Internet• All directions at onceAll directions at once

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Going Going GlobalGlobal

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Array2kArray2k

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Arecibo TestsArecibo Tests

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Extra-Terrestrial QSLExtra-Terrestrial QSL

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ETCCETCC

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Honor RollHonor Roll

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SymposiaSymposia

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How To Join UsHow To Join Us

www.setileague.orgwww.setileague.orgjoin@setileague.orgjoin@setileague.org1 (800) TAU-SETI1 (800) TAU-SETI

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© 2002 The SETI League, Inc.© 2002 The SETI League, Inc.All Rights ReservedAll Rights Reserved

There are so many There are so many

successful musicianssuccessful musicians

with no talent . . .with no talent . . .

Why can’t I be Why can’t I be

one of them?one of them?