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.

Let's say we want to build a model of the sun and Earth alone. Earth has a radius of about 6,371 kilometers (3,959 miles), but let's represent this with a marble 1 centimeter in diameter.

Sun is larger and farther from the Earth than the moon. The sun is around 400 times larger than the moon ... Forbes, Nov. 6, 2019, A Transit Of Mercury Told Us The Scale Of The Universe; The ...

Here's how the set moves: The sun revolves in the center, the earth orbits the sun and revolves through its day, and the moon orbits the earth. The moon does not revolve.

Tidal Forces. The moon holds the primary influence over Earth’s tides due to its proximity, but it’s not the only factor. The sun, with a mass about 27 million times that of the Moon, also ...

An illustration shows the alignment of the sun, moon and Earth during a lunar eclipse. It isn't drawn to scale. NASA's Scientific Visualization Studio ...