B2 level - Astronomy

There are many planets outside our solar system.

Sailors used fixed stars for navigation in the past.

You can only rarely see the comet with the naked eye.

Many people make a wish when they see a meteor.

The meteorite was very heavy and made of metal.

Astronomers study different galaxies in the universe.

Planets follow a fixed orbit around the sun.

Many people watch the solar eclipse with protective glasses.

Shooting stars are not real stars but small meteors.

An astronomer studies galaxies and black holes.

The astrologer believes that zodiac signs say a lot about a person.

There are billions of galaxies in the universe.

After the Big Bang, the universe expanded rapidly.

Scientists create a vacuum in the lab for experiments.

The telescope observes cosmic objects.

Planets rotate while they orbit the sun.

The surface of Mercury has many craters.

Venus is very hot because of its thick clouds.

Mars has two small moons, Phobos and Deimos.

The famous "Great Red Spot" on Jupiter is a huge storm.