Planetary

1. Happy Flightiversary to the Space Shuttle and Yuri Gagarin

   An exclusive chat with first shuttle pilot Bob Crippen, plus looking ahead to Yuri’s Night and the first Mars helicopter.

2. Yuri Gagarin and Vostok 1, the First Human Spaceflight

   No nation had ever flown a human into space until the Soviet Union did it on 12 April 1961.

3. The Space Shuttle Turns 40

   The Planetary Society is celebrating the 40th anniversary of the first Space Shuttle launch with exclusive resources, interviews, and personal stories.

4. Space Shuttle Astronaut Bob Crippen Describes Columbia's First Flight: "A Moment of Pure Excitement"

   NASA astronaut Bob Crippen joins Mat Kaplan on Planetary Radio to look back at the Space Shuttle's first flight.

5. How Much Did it Cost to Create the Space Shuttle?

   Between 1972 and 1982, NASA spent approximately $10.6 billion to develop the space shuttle and its related facilities.