Choose the correct answer

4. Scientists found a strange vehicle in the ocean. They think it's an alien/a flying saucer.

5. The moon has very low temperature/gravity because it's so small.

6. We can build space stations/UFOs near our planet.

3. Some planets have a low temperature/gravity because they are very far from the sun.

8. Aliens/Space stations are people from other planets.

2. Earth is a good place to live because it has oxygen/aliens

7. The alien had hundreds of sharp teeth. I was terrified/huge

1. Some people live and work in space, but most people live on Earth/Mars.