Planetary parade’ visible in UK tonight as part of rare event that won’t repeat for 400 years - Celestial spectacle will not be repeated for another 400 years

Known as the "Parade of Planets," the celestial event will feature appearances from Mars, Jupiter, Uranus, Venus, Neptune and Saturn through the end of January, according to Farmer's Almanac. Mercury will emerge in the night sky at the end of February, replacing Saturn.

Four planets will visible to the naked eye this week - a rare occurrence that only happens once every few years. UK skies will be graced by the rare 'planetary parade', showing Venus, Mars, Jupiter and Saturn in a line.