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8 Cards in this Set
- Front
- Back
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Establishing an orbit for a satellite requires a balance between two forces. What are these two forces?
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Gravity and speed
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What is the difference between a satellite and a probe?
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A satellite is in orbit around a planet, whereas a probe is not in a particular orbit around any other object.
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Name two types of satellites.
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Scientific satellites, applications satellites
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List four kinds of application satellites.
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communication, weather, navigational, and survey satellites.
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What was the first country to have a space vehicle send back data from another planet?
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The U.S, when Mariner 2 passed by Venus.
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Which space vehicle visted all four gas giants?
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Voyager 2
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The specialized probe Giotto had a close encounter with what kind of celestial object?
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a comet (Halley's comet)
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How accurately can the GPS system determine your location?
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Officially, positions can be determined to within 17.8 m, but the real accuracy is suspected to be to the nearest 5mm.
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