Once upon a time the answer to this question was simple. Pluto was the planet furthest away from the Sun and also the coldest. However, Pluto was declassified as a planet in 2006 and is now known as a dwarf planet. So, what is the coldest planet in our Solar System now? It sounds like a simple … Read more about What is the coldest planet?
A constellation is the name given to a group of stars in the sky that make up a certain pattern. Sometimes this pattern is imaginary. When the sky is clear these stars can be seen from Earth without the use of a telescope. There are 88 named constellations and they take many forms, including … Read more about What is a constellation?
Mars is one of our neighbouring planets, it is the fourth planet from the Sun and the second smallest planet in our Solar System. Scientists have been very interested in the exploration of Mars and one of the questions currently being investigated is why Mars appears red. If you looks closely, in … Read more about Why is Mars red?