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 Set 2
 1View
6 Votes
 Force on Satellite: Calculate the mutual force from gravitational attraction between the Earth and an orbiting satellite with mass of 100,000 kg and located 400 km above the surface of the Earth.Expired on
2019-02-13 14:00:00
 2View
7 Votes
 Seasons: To have no seasons, what must happen?Expired on
2019-02-13 14:00:00
 3View
7 Votes
 Moon Phase 2: Two weeks after a lunar eclipse, what is the phase of the Moon?Expired on
2019-02-13 14:00:00
 4View
7 Votes
 Moon Phase 1: One month after a lunar eclipse, what is the phase of the Moon?Expired on
2019-02-13 14:00:00
 5View
7 Votes
 Age: The age of the Universe has been measured to beExpired on
2019-02-13 14:00:00
 6View
7 Votes
 Constellations of stars have been named for centuries to convey stories and lore. The number of constellations officially recognized by the International Astronomical Union (IAU) is:Expired on
2019-02-13 13:34:33
 7View
7 Votes
 AU: The astronomical unit is __________ and measures_______.Expired on
2019-02-13 13:24:06
 8View
6 Votes
 Proxima Centauri: Astronomer's believe that there are potentially habitable planets located near its sun, one such example is the planet Proxima Centauri, and generally known as exoplanets. Suppose an exoplanet is located 1.472 AU from its sun, calculate the time that it takes for the light from that sun to travel to its exoplanet. Read more about Proxima CentauriExpired on
2019-02-13 13:33:39
 Set 1

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