The 13th Zodiac Sign - Ophiuchus
The cosmic confusion appears to originate in a NASA article written for children, which claims that the true zodiac, originally included a 13th Zodiac sign called Ophiuchus, that was knowingly left out, by the ancient Babylonians in order to align the number of signs to the number of months in the year.
According to the theory, Ophiuchus is nestled between Scorpio and Sagittarius in the astrological zodiac wheel, which means the rest of the zodiac would also have a shift, to accommodate for it.
This also means that, if true, your zodiac sign might be entirely different than what you've thought it was your whole life!
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