| A | B |
|---|
| solar eclipse | an occasion when the sun cannot be seen, because the Earth is passing directly between the moon and the sun |
| meteor | a piece of rock or metal that travels through space, and makes a bright line in the night sky when it falls down towards the Eart |
| moon | the round object that you can see shining in the sky at night, and that moves around the Earth every 28 days |
| full moon | the moon when you can see all of it as a complete circle |
| earth | the planet we live on |
| sun | the large bright object in the sky that gives us light and heat, and around which the Earth moves |
| planetarium | a building where lights on a curved ceiling show the movements of planets and stars |
| orbit | the curved path travelled by an object which is moving around another much larger object such as the Earth, the sun etc. |
| diameter | a straight line from one side of a circle to the other side, passing through the centre of the circle, or the length of this line |
| solar system | the sun and the planets that go around it |
| star | a large ball of burning gas in space that can be seen at night as a point of light in the sky |
