question archive The international space station (ISS) orbits 400 km above earths surface at 7
The international space station (ISS) orbits 400 km above earths surface at 7
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The international space station (ISS) orbits 400 km above earths surface at 7.66 km/s (17,100 mph). Suppose the ISS is moved to 400 km above Mars. 1. To maintain its orbit above Mars, will the ISS have to move faster or slower than its orbital speed around earth? Justify your answer. 2. Will astronauts on the ISS feel lighter, heavier, or no change at all while in orbit around Mars. Explain your answer.
