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by Monica Schroeder
$38.00
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Our Bella / Canvas t-shirts are made from a 50% cotton / 50% polyester blend and are available in five different sizes. They're stylish, soft, and incredibly comfortable. Machine wash with cold water, and tumble dry on low heat.
Design Details
The Drake Equation is used to calculate the possible number of extraterrestrial civilizations in the Milky Way Galaxy.
N = R* fp ne fl fi fc... more
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1 - 2 business days
Photograph
Canvas Print
Framed Print
Art Print
Poster
Metal Print
Acrylic Print
Wood Print
Greeting Card
iPhone Case
Throw Pillow
Duvet Cover
Shower Curtain
Tote Bag
Round Beach Towel
Zip Pouch
Beach Towel
Weekender Tote Bag
Portable Battery Charger
Bath Towel
Apparel
Coffee Mug
Yoga Mat
Spiral Notebook
Fleece Blanket
Tapestry
Jigsaw Puzzle
Sticker
Ornament
The Drake Equation is used to calculate the possible number of extraterrestrial civilizations in the Milky Way Galaxy.
N = R* fp ne fl fi fc L
N = number of civilizations with which humans could communicate.
R* = mean rate of star formation.
fP = fraction of stars that have planets.
ne = mean number of planets that could support life per star with planets.
fl = fraction of life-supporting planets that develop life.
fi = fraction of planets with life where life develops intelligence.
fc = fraction of intelligent civilizations that develop communication.
L = mean length of time that civilizations can communicate.
$38.00
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