News

Learn the differences between our Earth, the Sun and the Moon. Then explore how together they create day and night and our different seasons with their orbits.
Here, I made the Earth and the moon spheres with their positions as shown. I put the Earth at the location (0, 0, 0) meters. This is at the origin of the universe as was originally intended.
The sun and moon are constantly changing positions in the sky because of the Earth’s tilt and the moon’s orbit. But they have not diverged from what astronomers expect. The Earth has two ...
Equatorial plane The Sun-Earth-Moon system are constantly at play, but Earth and its lunar satellite are a bit more intimate — with a center of mass, or barycenter, 2,900 miles (4,600 km) from ...