Mercury’s Entering Retrograde As Earth’s Misfortunes,-  Why are people concerned when Mercury is in retrograde? Retrograde motion is when a planet, as seen from Earth, appears to reverse direction. This is due to an optical illusion caused by differences in orbit. Mercury enters apparent retrograde three or four times a year, for about three weeks at a time. In astrology, Mercury is linked to communication, and its retrograde is bad news for those on Earth. Believers expect frequent misunderstandings, scheduling problems and disagreements.

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Public interest on the subject has increased over the past few years, particularly among young people. Google searches for “is Mercury in Retrograde” have seen viral growth since 2009. According to one poll, more than half of 18-24 year olds believe that astrology is a science.