Space Exploration Flashcards
1
Q
What would involve risk to astronauts in a space flight?(3)
Explain the risks aswell.
A
- Liftoff/ takeoff
Risk: high fuel load - risk of explosion - radiation in space
Risk: absorbing harmful radiation from the sun/space. - re-entry to the atmosphere
Risk: overheating dur to air resistance in the atmosphere
2
Q
How long does a geostationary satellite take to orbit the earth?
A
24 hours
3
Q
What is a geostationary satellite?
A
A satellite that that stays above the same point on the equator.
(Follows earth’s rotation)
4
Q
What isbthe use of a geostationary satellite?
A
Easier to communicate with because the location is known as it follows the same point of the equator.
5
Q
What are the electromagnetic waves?
A
(They all travel at the same speed)
- radio waves
- microwaves
- infrared
- light
- xrays
- gamma rays
