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A lunar eclipse (also known as a blood moon) occurs when the Moon passes directly behind the Earth into its umbra (shadow). This can occur only when the sun, Earth and moon are aligned (in "syzygy") exactly, or very closely so, with the Earth in the middle. Hence, a lunar eclipse can occur only the night of a full moon. The type and length of an eclipse depend upon the Moon's location relative to its orbital nodes.
Unlike a solar eclipse, which can be viewed only from a certain relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of the Earth. A lunar eclipse lasts for a few hours, whereas a total solar eclipse lasts for only a few minutes at any given place, due to the smaller size of the Moon's shadow. Also unlike solar eclipses, lunar eclipses are safe to view without any eye protection or special precautions, as they are dimmer than the full moon.
The supermoon phenomenon occurs when the moon is full at its perigee - the closest part of its orbit around Earth (226,000 miles), meaning it appears larger in the sky.
And those lucky to be in North America, South America, West Africa and Western Europe - including Telegraph readers - could also enjoy the blood moon as a total lunar eclipse also occurred.
originally posted by: ChesterJohn
I didn't know the moon was practically upside down when viewed from South Africa