Uzupełnij zdania 1–6 wyrazami: planet, universe, solar , sky , star, astronomer.

1 A(n) ____________________ knows a lot about stars and planets

2 There are eight planets in the ____________________ system.

3 When you see a shootin ____________________ you should make a wish.

4 All the stars and planets make up the ____________________.

5 When there are no clouds, the ____________________ is clear.

6 Mercury is the smallest ____________________. It is also the closest to the sun.