ED11B-0732: Three-dimensional presentation of the earth and planets in classrooms and science centers with a spherical screen

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Authors: Akinori Saito1, Takuya Tsugawa2, Yoko Odagi1, Noriyuki Nishi1, Shin'ichi Miyazaki1, Hiroki Ichikawa3

Author Institutions: 1. Department of Geophysics, Kyoto University, Kyoto, Japan; 2. NICT, Tokyo, Japan; 3. Ehime University, Matsuyama, Japan

Educational programs have been developed for the earth and planetary science using a three-dimensional presentation system of the Earth and planets with a spherical screen. They have been used in classrooms of universities, high schools, elementary schools, and science centers. Two-dimensional map is a standard tool to present the data of the Earth and planets. However the distortion of the shape is inevitable especially for the map of wide areas. Three-dimensional presentation of the Earth, such as globes, is an only way to avoid this distortion. There are several projects to present the earth and planetary science results in three-dimension digitally, such as Science on a sphere (SOS) by NOAA, and Geo-cosmos by the National Museum of Emerging Science and Innovation (Miraikan), Japan. These projects are relatively large-scale in instruments and cost, and difficult to use in classrooms and small-scale science centers. Therefore we developed a portable, scalable and affordable system of the three-dimensional presentation of the Earth and planets, Dagik Earth. This system uses a spherical screen and a PC projector. Several educational programs have been developed using Dagik Earth under collaboration of the researchers of the earth and planetary science and science education, school teachers, and curators of science centers, and used in schools and museums in Japan, Taiwan and other countries. It helps learners to achieve the proper cognition of the shape and size of the phenomena on the Earth and planets. Current status and future development of the project will be introduced in the presentation.
http://earth.dagik.org/english/

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