Full blast 3 U 6a

... is a natural science that studies space objects and phenomena. 

Galilei discouered that the ... were travelling around Jupiter.

Galilei ... that the Earth was not the centre of the universe.

ln fact, the stars might not even exist any more, but you can still see their ... light. 

A ... has nothing to do with a star.

... bits of rock fall into the Earth's atmosphere and produce light.

The Moon goes through a cycle to Moon in ... almost a month.

We can see the Moon because sunlight reflects from its ... .

When the Moon appears to be a dark reddish colour this is called a lunar ... .

Some of the stars that we see in the night sky might not ... any more.