This diagram shows how the Moon appears to change shape as it orbits (circles) the Earth due to which part of it is facing the Sun. When the lit area of the Moon we see is getting bigger each day ...

The diagram shows the life cycles of stars that are: about the same size as the Sun; far greater than the Sun in size. All stars begin life in the same way. A star forms from massive clouds of ...

New weather maps have turned a deep red as they predict a storm carrying a chaotic mix of snow, rain and wind will make landfall in the UK in a matter ... trend of gentle sun and markedly warmer ...