Dan Pye, director of astronomy and science communication at the observatory, said: "The six planets – Venus, Mars, Jupiter, Saturn, Uranus and Neptune – will be best viewed from January 25, but during just one night in February, Mercury will join the parade, meaning we’ll have a rare seven-planet alignment.

Stargazers are in for a rare planetary treat between now until the end of February. If you look up into the night sky tonight (under the right conditions, of course), six planets—Jupiter, Mars, Neptune,