Total lunar eclipse on Jan 20-21 will be the last until 2022

A picture taken on January 31, 2018 shows the moon during a lunar eclipse above the Bosphorus straits in Istanbul. PHOTO | FILE | AFP

What you need to know:

  • During the eclipse, the moon will still be visible, but in a shade of red.
  • That's why a lunar eclipse is often called a "blood moon."
  • The red colour is due to the same phenomenon that causes sunsets to appear pink, orange or red.

People in North and South America, a large part of Europe and Africa may get a glimpse of a total lunar eclipse overnight from January 20 to 21, the last such event until 2022.

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