Most of us grew up learning that there are nine planets in our solar system ... says Pluto should definitely be added back to the planet list — oh, and that there are over 100 other objects ...

Growing up, I was taught that there were nine planets in the solar system. That all changed in 2006, when the International Astronomical Union voted to demote Pluto's status to that of dwarf planet.

Such an event is commonly known as a "planet parade," though NASA noted that the moniker is not a technical astronomical term. Here's a list of the planets that will be visible in some for this ...

Known as Planet Nine or Planet X, it is a hypothetical planet that has long been rumoured to exist in the outer solar system. Although "several claims to have found an extra planet have been made ...

This week, seven planets will align in what is known as a planetary parade. This planetary parade will see Mars, Jupiter, Uranus, Venus, Neptune, Mercury, and Saturn lining up in the evening sky.