1. The Universe- space and everything that exists in it, including the Earth and all the other planets
2. The Milky Way-the group of planets and stars that the Earth belongs to and that you can see at night as a band of pale light across the sky
3. Astronomy - the scientific study of the stars, planets, and other objects in the universe
3.1. telescope- a piece of equipment shaped like a tube that you look through to make distant objects look closer and larger
4. The solar system- a star and the planets that go round it, especially the Sun and the group of planets that includes the Earth
4.1. The Sun- Солнце
4.1.1. star- a very large hot ball of gas that appears as a small bright light in the sky at night
4.2. The Earth- Земля
4.2.1. ocean- one of the large areas of salt water that cover most of the Earth
4.2.2. pole- one of the points on the very top or bottom of the Earth, called the North Pole and the South Pole
4.3. The Moon- Луна
4.4. The Mars- Марс
4.5. The Venus- Венера
4.6. The Mercury- Меркурий
4.7. The Uranus- Уран
4.8. The Neptune- Нептун
4.9. The Saturn- Сатурн
5. Galaxy-an extremely large group of stars and planets
5.1. Planet-a very large round object that moves around the Sun or another star
5.1.1. satellite- an object that is sent into space to travel round the Earth in order to receive and send information
5.1.2. atmosphere- the air round the Earth or round another planet
5.1.3. an orbit-the path that is taken by an object moving around a larger object in space
5.2. space travel
5.2.1. intergalactic- travelling or happening between different galaxies
5.2.2. distance- he amount of space between two people or things
5.2.3. spaceship
5.2.4. astronaut- someone who travels and works in space
5.2.5. UFO (unidentified flying object)
5.2.6. gravity- the force that makes any two objects that have mass move towards each other. The most common example of this is when an object falls to the ground
5.2.7. International Space Station- Международная Космическая станция