Ответ:

1.The ancient Greeks called the Sun Helios.

2.Look!50 aliens came out of the spaceship

3.Robots exploring Mars now to find information

4.William Herschel discovered Uranus in 1781.

5.The astronauts left for the Moon tomorrow

6.The Moon traveled around the Earth.

7.It was 1969 when Neil Armstrong walked on the Moon

8.People using telescopes when they want to look at the planets.

Объяснение: