Travel to Mars: Getting There and Back
- How far away is Mars?
- How does the Martian orbit around the Sun compare to Earth's?
- How would a trip to Mars proceed?
- How long would it take to reach Mars?
- After getting to Mars, how long would our astronauts actually stay?
- What would our astronauts do once they reached Mars?
- Where else could our astronauts go on a space trip...?
- How many astronauts would be sent in each spacecraft?
- What about simulating this sort of trip; have we already done this?