But such events are not just a treat for stargazers – they can also have a real ... the planets mean that, on occasion, several of them can be roughly lined up on the same side of the Sun.

Look to the sky Friday night for the rare chance to see seven planets lined up. The big picture: Saturn ... vary and can be calculated using the Sun calculator at Timeanddate.com.

Stargazers have been gifted the rare sight of a line up of ... six planets – Venus, Mars, Jupiter, Saturn, Uranus and Neptune – could be seen. But now Mercury has joined the planetary party, as they ...