1. The ancient Greeks CALLED the Sun Helios
2. Look! 50 aliens COMING out of the spaceship
3. Robots EXPLORING Mars now to find information
4. William Hershel DISCOVERED Uranus in 1781
5. The astronauts LEAVING for the Moon tomorrow
6. The Moon TRAVELING around the Earth almost once every month
7. It was 1969 when Neli Armstrong WALKED on the Moon
8. People USES telescopes when they want to look at the planets