Climate and Weather

What is the celestial equator?
Answered by Discovery Channel
  • Discovery Channel

    Discovery Channel

  1. Earth has its equator, the imaginary line that divides the planet into Northern and Southern hemispheres. The celestial equator is a similar imaginary circle around the celestial sphere, also known as the visible universe. The celestial equator divides the visible universe in two, creating the Northern and Southern celestial hemispheres. This helps us locate celestial bodies.

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