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Boundary: Bleed area may not be visible.
by Science Source
$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
Cecilia Payne-Gaposchkin (May 10, 1900 - December 7, 1979) was an English-American astronomer and astrophysicist. In 1923, after meeting Harlow... more
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Cecilia Payne-Gaposchkin (May 10, 1900 - December 7, 1979) was an English-American astronomer and astrophysicist. In 1923, after meeting Harlow Shapley, the Director of the Harvard College Observatory, who had just begun a graduate program in astronomy, she left England. In her 1925 PhD thesis, she proposed an explanation for the composition of stars in terms of the relative abundances of hydrogen and helium. In 1931, she became an American citizen. On a tour through Europe she met Russian-born astrophysicist Sergei I. Gaposchkin. She helped him get a visa to the US and they married in 1934. She studied stars of high luminosity in order to understand the structure of the Milky Way. She studied variable stars, making over 1,250,000 observations with her assistants. This work later was extended to the Magellanic Clouds, adding a further 2,000,000 observations of variable stars. These data were used to determine the paths of stellar evolution. She remained scientifically active througho...
$17.00
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