#Astronauts – Topsy

csa_asc CanadianSpaceAgency

Why study radiation? #Astronauts are regularly exposed to high doses bc they are not as well protected as we are by Earth’s atmosphere. #ISS

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csa_asc CanadianSpaceAgency

#Astronauts typically lose 1 percent of their bone mass per month in #space

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csa_asc CanadianSpaceAgency

#TriviaThursday #Astronauts can grow up to 3% taller while in space but return to their normal height when back on Earth.

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csa_asc CanadianSpaceAgency

3 #astronauts will be staying for 1 year on the #ISS in 2015 to provide a better understanding of how our bodies adapt to space

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csa_asc CanadianSpaceAgency

#TriviaThursday Upon returning to Earth, blood pressure in the brain decreases and #astronauts may faint. It takes a few days to adapt.

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csa_asc CanadianSpaceAgency

Some #astronauts lost some visual acuity on the #ISS, perhaps due to an increase in intracranial pressure. Scientists are investigating.

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asc-csa.gc.ca/eng/iss/hypersole.asp

lbentleah Leah

Ticklish? Some #astronauts have super-sensitive feet after spaceflight, which we can study to help the elderly: http://t.co/AXwjtfYnQO

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csa_asc CanadianSpaceAgency

#TriviaThursday #Astronauts can close their eyes and see the light! Known as light flashes or phosphenes, caused by radiation particles.

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rcp_articles RealClearPolitics

Photo Gallery: #Astronauts Return From Successful Mission at ISS http://t.co/Hghr5PAfUZ

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tariqjmalik tariqjmalik

WATCH LIVE NOW: @NASA #astronauts to talk Trek w/ #Star Trek Into Darkness" crew: webcast http://t.co/B1hiknTLLh @spacedotcom

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