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Fitzgerald, M. T.; Feteris, S. M.; Gillessen, S.; Eisenhauer, F. – Astronomy Education Review, 2008
The most recent data on stars orbiting Sagittarius A*, the black hole at the center of the Milky Way galaxy, have been used in an experiment undertaken by second-year university students to determine the distance R[theta] to the center of the galaxy. Students applied each of Kepler's 17th-century laws, in turn, to 21st-century data. The…
Descriptors: Astronomy, Geographic Location, Science Experiments, Space Exploration