Put the elements into the gaps
Complete the text with the given words. There are some extra options.
- Solar System
- Earth
- Mercury
- Venus
- Neptune
- Mars
- Jupiter
- Uranus
- Saturn
- Pluto
- Sun
- Moon
The [ ] was formed 4.6 billion years ago. It consists of eight planets, the Sun, dwarf planets and other cosmic objects.
The [ ] is the only planet where there is life (according to the official data).
[ ] is the closest planet to the Sun and also the smallest one. It doesn't have any moons.
[ ] also has no moons. This planet is much drier than the Earth and extremely hot. In fact, it is the hottest planet. Its surface temperature is over 400 °C. Its atmosphere is very thick and consists of a huge amount of CO₂.
[ ] is the farthest planet in the Solar System. Galileo Galilei observed this planet in 1612 and 1613 but mistakenly thought that it was a star. That's why he is not its discoverer.
[ ] is called the "red planet" because of its colour. The red colour comes from iron oxide, which is also known as rust, in its soil. This planet has two tiny natural moons which are called Phobos and Deimos.
[ ] is the biggest and the most massive planet in the Solar System. It is 2.5 times heavier than all the rest planets together. It has 79 known satellites. One of them, Ganymede, is the biggest moon in the Solar System.
The peculiarity of [ ] is the direction of its spinning. It seems that the planet is "lying on its side".
[ ] is known due to its ring system formed of ice and dust.
[ ] was discovered in 1930. In 2006, it was reclassified, and since then it has been known as a dwarf planet.