Concepts in Astronomy #3. The Celestial Equator

The Celestial Equator

The Celestial Equator is a circle in the celestial sphere (the sphere of the sky), which is an imaginary sphere which assumes all the stars to be at the same distance from Earth. The circle is drawn as a projection of Earth's Equator.

As you can see, just as there is a Celestial Equator, there is a Celestial North Pole and a Celestial South Pole.

Credits

- Celestial Sphere image obtained from NASA.gov. No Copyright.

- Galaxy image obtained from Pixabay under CC0. No Copyright. The person who associated a work with this deed has dedicated the work to the public domain by waiving all of his or her rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law