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SAT, 18.10.2021 20:50 graycelynn123
astronomers have observed a small, massive object at the center of our milky way galaxy. a ring of material orbits this massive object; the ring has a diameter of about 15 light years and an orbital speed of about 200 km/s.
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SAT, 23.06.2019 09:40, sundayrider101
Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?
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astronomers have observed a small, massive object at the center of our milky way galaxy. a ring of m...
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