science nine chapter eleven

Match it! Select the correct answer from the pull down...Good luck!

Where is the Oort cloud found?

What information can astronomers gaine from the colour of a star?

Hydrogen atoms combine to form helium in a process called

A low mass star will eventually become a

Which type of star has an average life of 10 billion years?

Where are most asteroids found in the solar system?

The sun is mainly made up of

The four innermost planets in our solar system, in order are