Planet Earth Simulation

Earth’s Revolution and Seasons (WebGL)

Earth Rotation and Seasonal Changes The Earth’s rotation axis is tilted at an angle of about 23.5 ° to the...

The photographs of the Earth and the moon close together that you can see on posters, etc., are designed to...

Solar eclipse Eclipse is the phenomenon that one object hides another object or enters that shadow. ‘a solar eclipse’ is...

Eratosthenes’ Calculation of Earth’s Circumference The first person to measure the earth’s size was Eratosthenes, an ancient Greek scientist about...

Foucault’s pendulum is a device invented by French scientist Leon Foucault to prove the Earth’s rotation in 1851. The fact...

If you are asked to access your location, please allow it. Your personal data is not stored on the server....

Latitude of Polaris Polaris is far from Earth. Thus, light from the North Star reaches parallel to the Earth. And...

Parallel sunlight The radiant energy of the sun spreads in every direction. However, since the sun and the earth are...

Eratosthenes’ Calculation of Earth’s Circumference The first person to measure the earth’s size was Eratosthenes, an ancient Greek scientist about...

From the perspective of an observer on Earth, the orbits of satellites with an orbiting period of less than 24...