The Ancient Greeks thought that Venus was two separate stars
Mars is home to the biggest volcano in the solar system
Mercury moves very fast across the night sky
Sometimes Jupiter can be seen in the daytime
Saturns rings were first seen by Galileo in 1610
Sir William Herschel first saw the planet from his garden in Bath
Galileo was maybe the first person to observe Neptune through a telescope but he thought it was a star
Pluto is now called a dwarf planet. It was known as a planet until 2006.