This astronomical phenomenon occurs when several planets in our solar system appear to line up all at once. The planets are not actually positioned in a straight line but are clos

"A fantastic, yet challenging photographic opportunity to observe all planets during a small window in time," Dury told Space.com in an email.

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the naked eye, according to Space.com.

Throughout the month of February, if you’ve looked to the evening sky, you probably noticed four visible planets: Venus, Mars, Jupiter, and Saturn. Uranus and Neptune have also been around, but they’re not visible to the naked eye- you need a telescope to see those planets.