Category: Space

How are stars classified?

From white dwarfs to red giants, discover how astronomers have categorised the cosmos Within our galaxy alone there are over 100 billion stars, so how do astronomers keep track of what’s what in the...

Why is the Solar System flat?

How a matter-filled cloud turned into a flat, planetary system To find out why our Solar System is flat, we must first uncover its origins. Our Solar System formed from a huge, nebulous cloud...

The Solar System: What is a gravitational well?

How this invisible force shapes the universe While we are all familiar with gravity being the force that causes a dropped phone to clatter to the ground, Albert Einstein was the first to describe...