Planet Earth

푸코의 진자 Foucault Pendulum

Foucault Pendulum (WebGL)

Earth fixed Latitude * This is a Web page using WebGL technology and do not work in Internet explorer. Foucault’s pendulum is a device invented by French scientist Leon Foucault to prove the Earth’s rotation In 1851. The fact that…
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지구 공전과 계절 변화 (WebGL)

Earth’s Revolution and Seasons (WebGL)

Zoom View * This is a Web page using WebGL technology and do not work in Internet explorer. Earth Rotation and Seasonal Changes The Earth’s axis of rotation is tilted at an angle of about 23.5 ° to the orbital…
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세계 시각, 낮과 밤 Daylight Map

Daylight Map

The sun icon has been displayed if the sun is located on the zenith. The shaded area is at night. Find out where ‘midnight sun’ happens.