This is the last time the seven planets will appear together in the night sky until 2040. Here's when it's happening – and how to see them yourself.

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

If you missed seeing the alignment of six planets in the sky in January, don't worry. Another one is coming up in February. And it could be even better, because this particular event is an alignment of seven planets.

A rare astronomical event will see seven planets align in the night sky on 28 February, marking the last such occurrence for 15 years. Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn will appear in a row,

Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn will appear in a row on the evening of 28 February, marking the last time for 15 years that all of the planets will be visible at the same time. Planetary parades of four or five planets happen relatively regularly, though alignments of six or seven are remarkably rare.

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.