SETI

Search for Extraterrestrial Intellegence

Karl Gauss in about 1820 (mathematician)

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Jo

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Charles Croes (1869)

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Drake Equation

Kepler. Launched March 7, 2009

Measures the very slight change in luminosity.

23 across

73 down

Bits are turned into black and white squares

Nicola Tesla “coherent signals from Mars” in 1899

Guglielmo Marconi “Strange Signals from ET” in 1920

Frank Drake 1960

Arecibo

The SETI screen saver will analyze a certain part of the sky. Looking for Gaussian candidates.

a.Strong signals

b.Repeating data

Now 42 dishes, will have 350 dishes

Square kilometer array

The true watering hole. A fairly quiet part of the electromagnetic spectrum.

Giordano Bruno – Italy (1548 – 1600)

Burned at stake for suggesting that there was extraterrestrial life