Spacecraft and satellites Flashcards
1
Q
Name the 2 main types of orbit a satellite can take
A
Geostationary
Polar
2
Q
Describe a geostationary orbit
A
A satellite that stays over the same position on Earth
3
Q
Describe a polar orbit
A
A satellite that moves between the two poles of our Earth
4
Q
What do we use geostationary satellites for
A
Television, radio, communication, local weather
5
Q
What do we use polar satellites for
A
International weather
Mapping
Espionage
6
Q
What two things cause a satellite to stay in orbit
A
Speed
Gravity
7
Q
Why do we need these speed and gravity to keep things in orbit
A
Speed stops the object crashing straight back down due to gravity
Without gravity the object would continue moving through space
