Skyhook

What velocity does a rocket need to reach in order to escape from Earth?

• 20,000 km/h

• 30,000 km/h

• 40,000 km/h

• 10,000 km/h

What are the 2 parts of a tether"?

• cable

• weight

• rocket

• space station

Skyhooks work better if...

• you make them invisible.

• you make them out of aluminum.

• you make them spin.

• you make them stay still.

A skyhook is like a....

• rocket.

• space catapult.

• satellite.

Why does the skyhook need to be at least 80-150 km above the Earth?

• There is no real reason.

• It is too cold below that level.

• There is too much air below that level.

What happens every time the skyhook is used to speed up a spaceship?

• The skyhook loses some of its momentum.

• The skyhook gains too much momentum.

• The skyhook speeds up.

If we had a skyhook orbiting Earth and another orbiting Mars, the skyhooks could shorten the trip down from...

• 9 months to 3-5 months.

• 12 months to 9 months.

• 18 months to 12 months.

True or False: We have the materials available right now to build skyhooks.

• True

• False