Bill Nye - Space Exploration

1. What was the first type of tool used for space exploration?  Your eyes.

2. What pulls all things back toward the Earth?  Gravity.

3. Why are rockets so big?  They need to have enough fuel to escape Earth's gravity.

4. Space is a Vacuum.

5. We have to have air pressure around us at all times.

6. Where do astronauts practice working in space suits?  In a pool with a model of the space craft in it.

7. How hot do the tiles get? 1200 Celsius.