GCSE Astronomy

The Sun is a constant presence in our life on Earth. It gives us the heat and light we need to survive. But it is not a stable place. The Sun is a ball of hot plasma which is constantly changing.

Can you complete the 'Moonsaic'?

Supernovae are exploding stars which increase in brightness very suddenly and unexpectedly.

Star clusters are large groups of stars. These clusters provide fantastic (in fact, out of this world(!)) laboratories for us to study populations of stars.

An exoplanet is a planet which orbits a star that is not our Sun. The first exoplanet was discovered in 1992. It was found in orbit around the pulsar PSR 1257+12.

Our Solar System contains the Sun, 8 planets, and many small objects like dwarf planets, moons, and

Have you noticed that the Moon doesn't always look the same. Sometimes we can see the full face of the Moon and it becomes the brightest object in the night sky.

You have probably seen the Moon in the sky but have you ever studied it in detail?