Should humans colonise Mars? Is there life in the Universe? Science continually seeks to answer big questions - but it takes a lot of research and communication to come to a consensus. Why not host a debate and try it yourself?
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.
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. At other times, it appears as a just small sliver in the sky.