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Kwok, Ping-Wai – Asia-Pacific Forum on Science Learning and Teaching, 2013
Planisphere is a simple and useful tool in locating constellations of the night sky at a specific time, date and geographic location. However it does not show the planet positions because planets are not fixed on the celestial sphere. It is known that the planet orbital planes are nearly coplanar and close to the ecliptic plane. By making…
Descriptors: Astronomy, Science Equipment, Visual Aids, Hands on Science