Some astronauts sleep in sort of beds - compartments that you can open up and crawl into and then close up, almost like a little bedroom.

For a long time, society put obstacles in the way of women who wanted to enter the sciences.

Different astronauts sleep in different ways.

I liked math - that was my favorite subject - and I was very interested in astronomy and in physical science.

The astronauts who came in with me in my astronaut class - my class had 29 men and 6 women - those men were all very used to working with women.

The most important steps that I followed were studying math and science in school. I was always interested in physics and astronomy and chemistry and I continued to study those subjects through high school and college on into graduate school. That's what prepared me for being an astronaut; it actually gave me the qualifications to be selected to be an astronaut.

The stars don't look bigger, but they do look brighter.