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WorksheetsOrbital Mechanics
Total questions: 18
Worksheet time: 39mins
Why do astronauts need to perform a gravity turn?
So they can overcome the force of gravity
So they can avoid the Earth's electromagnetic field
So they can fly parallel to the ground
So they can make the launch last longer
When you are in a circular orbit...
You are always at the same altitude above the planet
You speed up or slow down depending on your altitude
You are moving so fast you eventually fly off into space
You are moving too slowly and eventually crash into the object you are orbiting around
When you are in a parabolic orbit...
You are always at the same altitude above the planet
You speed up or slow down depending on your altitude
You are moving so fast you eventually fly off into space
You are moving too slowly and eventually crash into the object you are orbiting around
When you are in an elliptical orbit...
You are always at the same altitude above the planet
You speed up or slow down depending on your altitude
You are moving so fast you eventually fly off into space
You are moving too slowly and eventually crash into the object you are orbiting around
Which of the following is not true if you are in a geostationary orbit...
You are always at the same altitude above Earth
You orbit at exactly the same rate as the Earth
You are always above the same point on Earth's surface
You orbit very low over the Earth's surface
In an elliptical orbit, the point farthest away from the object you are orbiting is called the...
Apoapsis
Pariapsis
Directrix
Hyperbola
While in orbit around a planet, your speed largely depends on...
The time of year
The force of gravity
The direction you are facing
The inclination of your orbit
In an elliptical orbit, you will be travelling the fastest at the...
Midpoint
Vertex
Apoapsis
Periapsis
While in an orbit, the direction in which you are orbiting is called...
Prograde
Retrograde
While in an orbit, the opposite direction to which you are orbiting is called...
Prograde
Retrograde
To increase the size of your orbit, you should burn in which direction?
Prograde
Retrograde
To decrease the size of your orbit, you should burn in which direction?
Prograde
Retrograde
If you burn directly away from the object you are orbiting, what will happen to your orbit?
Your orbit will increase
Your orbit will decrease
Your orbit will change its radial
Your orbit will change its inclination
Firing your rockets to move from one orbit to another is called...
Orbital growth
Orbital decay
Orbital transfer
Orbital transformation
When an object loses speed from its orbit it experiences...
Orbital growth
Orbital decay
Orbital transfer
Orbital transformation
Bonus Question!
On average, what planet is closest to the Earth?
Mercury
Venus
Mars
Jupiter
Saturn
