SmallWhale

Earth's Orbit: Our Amazing Space Trip!

Imagine Earth taking a giant, speedy ride around the Sun! It's a cosmic dance that lasts all year long.

Images

A dice floating in front of one of the windows in the Cupola of the Earth-orbiting International Space Station. Original from NASA. Digitally enhanced by rawpixel.

A dice floating in front of one of the windows in the Cupola of the Earth-orbiting International Space Station. Original from NASA. Digitally enhanced by rawpixel.

openverse
A dice floating in front of one of the windows in the Cupola of the Earth-orbiting International Space Station. Original from NASA. Digitally enhanced by rawpixel.
Earths orbit and ecliptic
Mars earth orbit
Artist’s impression of the surface of a super-Earth orbiting Barnard’s Star
Earth during Earth Orbit phase, Apollo 11 mission, July 1969
Animation of Chandrayaan-3 around Earth - Orbit raising
Earths orbit and ecliptic
Artist’s impression of the surface of a super-Earth orbiting Barnard’s Star
Mars earth orbit
CNV-301 Earth Orbit
Search and Rescue Mid-Earth Orbiting Local User Terminal (MEOLUT) Ceremony

Key Facts

Distance from Sun
About 149.6 million kilometers (92.96 million miles).
Time for One Orbit
About 365.25 days (one year).
Speed of Orbit
About 107,208 kilometers per hour (66,616 miles per hour).
Shape of Orbit
An ellipse, which is like a slightly squished circle.

Zooming Around the Sun!

Our planet Earth is always on the move! It's like a super-fast race car, but instead of a track, it's traveling in a giant circle around the Sun. This trip is called an orbit. Earth travels a super long way, about 940 million kilometers. That's like driving around the world more than 23,000 times! It does this whole trip in about 365 days, which is why we have a year.

How Fast Are We Going?

Earth is moving really, really fast! It zooms along at about 107,000 kilometers per hour. That's faster than a race car and even faster than a jet airplane! If you could see Earth from space, it would look like it's spinning and also moving in a big circle around the Sun. It's like being on a merry-go-round that's also going on a long road trip!

A Wobbly, Wiggly Path

Earth's path around the Sun isn't a perfect circle, it's a little bit squished, like an oval. This shape is called an ellipse. But don't worry, it's not very squished at all! It's almost a perfect circle. This means sometimes Earth is a tiny bit closer to the Sun and sometimes a tiny bit farther away. This slight change helps make our seasons.

Looking Up at the Stars

As Earth travels, the Sun seems to move across our sky. From our view on Earth, the Sun appears to move about the width of your finger every 12 hours. This movement is because we are orbiting. It's like when you're on a train, and the trees outside seem to be moving past you, even though it's you who is moving!

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Based on content from Wikipedia · Licensed under CC BY-SA 4.0