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Transcript 
Our Sun is a Yellow Dwarf Star
Arcturus is a Orange-Red Giant Star
Antares is a Class M Super Giant Star
The Drake Equation
N = N* fp ne fl fi fc fL
An estimate of the number
of communicating
civilizations in the Milky
Way Galaxy
Speed of Light = 186,000 miles per second
One Light Year = 6 Trillion Miles
Your Eyes are Time Machines
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