When we have five or more planets filing into a small sky area, an alignment is upgraded to parade status. Parade is not an ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, ...

Alan Dyer/Getty Images The solar system has eight planets overall – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury is the closest planet to the sun and Earth is the ...