1. What does a decrease in the ISS's speed mean (when at a constant height) ?
- It will provide them with gravity
- It will fly out into space
- It will fall down to the Earth
- It will be attracted to the Sun and move towards it
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Other questions in this quiz
2. Why are geostationary orbits useful?
- It means the satellite is constantly over the same spot on earth
- It means that temperatures across one orbit (e.g over the equator) can be monitored by one satellite orbita
- It's close orbit means there is a better view of the Earth below
- It means that its high speeds (since it's close to Earth) can be used to generate electricity
3. The Big Bang produced what?
- Elements heavier than iron
- The reversal of a black hole
- Hydrogen and Helium
4. Red-shift involves what?
- The Doppler Effect
- Scott's Butterfly effect
- Autokinetic effect
5. When a satellite is in orbit, it has a constant speed but a changing direction. What does this mean?
- Changing velocity
- It's about to get shot out into space
- Imminent crash-landing
- Imminent Explosion