HUTCHINSON, Kan. — NASA Astronaut Captain Scott Kelly was the speaker at the Dillon Lecture Series Tuesday in the Hutchinson Sports Arena.

Kelly is best known for his record-breaking voyage in space. Kelly and his identical twin brother — who is also an astronaut — paved the way for the future of space travel and exploration as the subjects of an unprecedented NASA study on how space affects the human body. Kelly went to space while his brother stayed on Earth.

Before his speech, Kelly spent time with the media at the Cosmosphere and said his DNA actually changed some while he was in space:

Kelly likened the difference in DNA to orchestras:

He also talked about his year in space. Kelly said there really isn’t much time for entertainment, but NASA helps:

Although he didn’t spend much time talking about the Cosmosphere, he did mention his thoughts on the local museum: