The universe makes sentences in grade one.

1)? Whether there is life on other planets in the universe is still a mystery.

He was the first China man to fly into the sky in a spaceship.

I fantasize about traveling in space by spaceship one day.

4)? The space and time of the universe are infinite.

5)? In the universe, there are many galaxies outside the Milky Way.

6) I think infinite space must be full of magic.

I want to travel in space by spaceship.

I fantasize that one day I will fly a spaceship into space.

9) Meteor shower is a rare cosmic spectacle.

10) With the development of science and technology, mankind will finally unveil the mystery of the universe.

1 1)? The universe is full of mysteries to be explored by human beings.

12) I want to be an astronomer and explore the mysteries of the universe when I grow up.