NASA on Zodiac

NASA

@NASA

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8h

We see your comments about a zodiac story that re-emerges every few years. No, we did not change the zodiac. When the Babylonians invented the constellations 3,000 years ago, they chose to leave out a 13th sign. So, we did the math: https://go.nasa.gov/3gZnBwK

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"The Babylonians lived over 3,000 years ago. They divided the zodiac into 12 equal parts – like cutting a pizza into 12 equal slices. They picked 12 constellations in the zodiac, one for each of the 12 “slices.”...But even according to the Babylonians’ own ancient stories, there were 13 constellations in the zodiac. So they picked one, Ophiuchus, to leave out." — NASA