booktv continues talks on space exploration, astronomy professor chris impey talked about his book "beyond: our future in space," a look at the next generation of space exploration. >> we want to introduce you to chris impey. what do you do at the university of arizona? >> associate dean of the college of science and professor of astronomy. >> how long have you been here? >> guest: 30 years. >> host: what does that entail being what you are? >> guest: i keep a little piece, i teach online classes, over 100,000 cute my arm in teaching online but i do budget and try to improve outreach for the college and various things. science literacy is a big concern of mine for science students and the general public and every student we teach. >> host: when did you get interested in astronomy? >> guest: a little late. little kids, a telescope traded up for bigger and bigger ones but i grew up in the big city so no stars. i got into physics which is the gateway drug for astronomy. then you realize i can apply civics to -- physics to the universe. you look outwards and i did it. >> host: what is the conn

. >> host: chris impey book is called "beyond" our future in space" professor of astronomy at the university of arizona. . >> and digest got lucky. . >> my political history was i tell people born in 1946 in the stamp at democrat on your birthday of forget. and then to change parties. >> there were no jobs in information security. many people in the of military this was a hobby and there is money and risk and then to get jobs doing security. >> that is what is so wonderful. they cannot make it physically in washington d.c.. that participate while it is happening but they feel a part of that

booktv continues talks on space exploration, astronomy professor chris impey talked about his book "beyond: our future in space," a look at the next generation of space exploration. >> we want to introduce you to chris impey. what do you do at the university of arizona? >> associate dean of the college of science and professor of astronomy. >> how long have you been here? >> guest: 30 years. >> host: what does that entail being what you are? >> guest: i keep a little piece, i teach online classes, over 100,000 cute my