Exam-style question
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What is a geostationary orbit?.
- A.An orbit where a satellite moves faster than the Earth's rotation
- B.An orbit where a satellite remains fixed above a point on the Earth's surface
- C.An orbit that is elliptical in shape
- D.An orbit that changes altitude continuously
Model answer
What a good answer should say
- An orbit where a satellite remains fixed above a point on the Earth's surface
Explanation
Why this works
A geostationary orbit is defined as an orbit where a satellite has an orbital period equal to the Earth's rotation period, allowing it to remain stationary relative to a point on the Earth's surface.
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