“The Earth is beautiful,” tweeted AstroIllini. This Earth image was posted on Nov. 23 by astronaut Mike Hopkins from aboard the International Space Station. The six-member Expedition 38 crew spent the week participating in biomedical experiments observing how the human body adapts to long duration missions in space. The crew collected blood, urine and saliva samples; performed ear and eye exams; and studied how a crew member moves in space. CREDIT: NASA #nasa #iss #spacestation #astronauts #earth #clouds #space #exp38