The Solar System is an ____________ thing. I can’t imagine just how big it is. I don’t think anyone can. It all centers around our Sun. Our solar system has eight _______ in it. When I was a kid I learnt there were nine planets, but some ________, scientists decided Pluto wasn’t a planet. All of the names of the planets in our solar system are really cool. Everybody knows the names because they are used every day in advertising or to name cars and things. Pluto was even the name of a Disney _____________. I think Saturn is the ___________ a car and Mercury is the name of a radio station. I love looking at photos of the solar system. They get more beautiful as our technology gets better. One day we’ll go on ____________________ tours. ​