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Satellite motionterms
Miscellaneous
Escape speed
Famous satellites
The problem with weightlessness
100
An oval shaped curve
What is ellipse
100
the time it takes for it to make one revolution around the earth is 90 minutes
What is a satellite period close to earth
100
This value is 11.2 km/s for the earth
What is earth's escape speed
100
On October 4th, 1957, Russia launched this satellite into orbit.
What is Sputnik
100
A space where there is no gravity
What is a weightlessness
200
A projectile that falls around the earth rather than into it
What is satellite
200
The direction of this force on the satellite is always toward the center of the body it orbits
What is the direction of the force of gravity
200
It is the velocity of light
What is the escape speed from a black hole
200
This is the first satellite launched by the US
What is Explorer 1
200
Bones, muscles
What part of the body are effected by the absence of gravity
300
The time required for a complete orbit
What is period
300
when an object in an ellipse orbit, what is the point when its PE is greatest
What is at the Apogee
300
When it's escaping a planet
When the sum of kinetic energy and potential energy is zero
300
This was the first satellite that landed on the moon with people on board
What is Apollo 11
300
in space, this vital system in the body can weaken
What is the immune system
400
The minimum speed necessary for an object to escape permanently from a gravitational field that holds it
What is escape speed
400
in an ellipse, the point when the objects KE is greatest (closest to the earth)
What is perigree
400
It was the first probe to escape the solar system in 1972
What is Pioneer 10
400
This was the first artificial satellite to orbit Mars
What is Mariner 9
400
they drink recycled water made of this. its said to be the stuff of science fiction
What is recycled urine
500
name of two fixed points found in an ellipse
What is foci
500
This value drops 5m vertically every 8000m horizontally
What is earth's curvature
500
It is the square root of (2GM/d)
What is he formula to find the escape speed from any planet
500
Is the first space station
What is Skylab
500
this is not a big issue with zero gravity
How is digestion different for astronauts