1. a) What is significant about astronaut Scott Kelly’s trip to the ISS?
b) Why does this trip not hold the same significance for Russian cosmonaut Mikhail Kornienko?

2. a) What is the purpose of the two astronaut’s mission?
b) What do doctors want to determine from the yearlong mission?
c) What effects does the absence of gravity have on a body?

3. How will astronaut Scott Kelly’s twin brother help doctors with the experiments?

4. What will the astronauts do during their yearlong stay?

5. How would you view a yearlong stay on the ISS? Explain your answer.