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by Monica Schroeder
$17.00
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The Center for Disease Control has recommended the use of cloth face masks to help fight the spread of COVID-19.
This face mask is made from 100% polyester and includes two ear loops with adjustable grommets for a comfortable fit.
The printed area of the mask is approximately 7" wide by 5" tall. This mask fits well on adult mens' faces without the grommets but, due to the adjustable grommets, can be worn snuggly by adult women, as well.
Please note - this is NOT a surgical grade mask. It is not intended for any medical or commercial uses, whatsoever. It is a simple, cloth mask designed for everyday use to cover your mouth when out in public. The mask should not be used in any medical or surgical setting.
We make no warranties that the mask prevents infections or the transmission of viruses or diseases.
Design Details
The center of the Milky Way is a crowded neighborhood and not always a calm one, as seen in this image from NASA's Chandra X-ray Observatory. In The... more
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The center of the Milky Way is a crowded neighborhood and not always a calm one, as seen in this image from NASA's Chandra X-ray Observatory. In 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. to the supermassive black hole at the center, the area is filled with all sorts of different inhabitants that affect and influence one another. The image shows three massive star clusters: the Arches...
$17.00
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