: Fill in the gaps with the following words: launched, planets, spaceship, cosmonaut, satellite, Explorer, research
1. The flew at the speed of 300 miles a minute
2. Yuri Gagarin was the first in the world
3. The government spends money on scientific
4. I saw and began to move towards it
5. They've their own solar system
6. The Earth is the fifth largest of the nine main in the solar system
7. The satellite was into space three days ago
