Safekipedia

Orbit

Adapted from Wikipedia · Explorer experience

A colorful montage showing the planets in our solar system—Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune—as captured by NASA spacecraft.

What is an Orbit?

An orbit is the special path that objects in space follow when they move around something bigger. Think of it like a big dance in the sky! When Earth moves around the Sun, it follows an orbit. The same happens with the Moon as it circles around our planet.

Why Do Orbits Happen?

Orbits happen because of something called gravity. Gravity is a gentle pull that makes things move toward each other. When an object, like a planet or a moon, moves fast enough, it doesn’t fall down. Instead, it keeps moving around the bigger object in a curved path. This is what we call an orbit!

Fun Facts About Orbits

  • Planets like Earth and Mars travel in orbits around stars, such as the Sun.
  • Moons orbit around planets. Our Moon is a natural satellite that orbits Earth.
  • Spacecraft can also orbit Earth or other planets. We use these to take pictures of space and send messages around the world.

Orbits are important because they help keep our solar system organized. They make sure planets stay in their places and help us learn amazing things about space!

Images

An old illustration showing the Earth-centered view of the universe from the 1600s, with the Earth at the center and planets, the Sun, and stars arranged in circular paths around it.
Diagram showing how the Moon's orbit slowly rotates over time, called apsidal precession.
A stunning view of Earth rising over the lunar horizon, captured by astronauts during the Apollo 8 mission in 1968.
Animation showing how planets can have elliptical (oval-shaped) orbits around the sun.
An artist's illustration of HE 1523-0901, one of the oldest stars in our galaxy, located about 7500 light years from Earth.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Orbit, available under CC BY-SA 4.0.

Images from Wikimedia Commons. Tap any image to view credits and license.