There are millions of stars in the sky.
There are millions of stars in the sky. If you look (6)..................the sky on a clear night, it is possible to see about 3000 stars.
They look small, but they are really (7)..................large hot balls of burning gas.
Some of them are huge, but others are much smaller, like our planet Earth.
The biggest stars are very bright, but they only live for a short time.
Every day new stars (8)..................born and old stars die. All the stars are very far away.
The light from the nearest star takes more (9)..................four years to reach Earth.
Hundreds of years ago, people (10)..................stars, like the North star, to know which direction to travel in.
Today you can still see that star.