Earth is a ____________ that moves around the sun.

Milky way is the . . .

It's . . .

This picture is a . . .

Venus is a planet in our . . .

I see that a planet _________ be next to the sun.

We heard that extraterrestrials _________ live on other planet.

You _____________ when you want to tell someone something.

Be careful and don't lose your book. Don't give it to ___________.

Scientist look for data in their ___________ for intelligent life.

person who travels in space is . . .

information means . . .