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Planety w naszym układzie słonecznym
Temat: Nauka i technologia
Do some Exercises: Słuchaj i zapisuj Tworzenie zdań Ukryte słowa
The eight planets
In their order from the Sun, and labelled with the numbers like the picture at the beginning of the article:
- (1) Mercury - The planet with the second highest temperature in the Solar System and the closest planet to the Sun.
- (2) Venus - The warmest planet.
- (3) Earth - The only planet in the solar system that is known to have life. It has one moon.
- (4) Mars - Sometimes called the "red planet", Mars is the closest planet to the earth.
- (5) Jupiter - The largest planet in the whole Solar System
- (6) Saturn - Sixth planet from the Sun. It has giant rings around it.
- (7) Uranus - Sometimes called the "sideways planet".
- (8) Neptune - The farthest planet from the Sun.
The planets are the biggest objects that go around Sun. It took people many years of looking carefully through telescopes to find the farthest away ones. No one expects to find new planets, but more small objects are found every year. Most of the planets have moons that orbit around them. There are at least 173 of these moons in the solar system.
Dwarf planets
Pluto had been called a planet since it was discovered in 1930, but in 2006 astronomers meeting at the International Astronomical Union decided for the first time on the definition of a planet, and Pluto did not fit. Instead they defined a new category of dwarf planet, into which Pluto did fit, along with some others. These small planets are sometimes called plutinos.
- Pluto - considered a planet until August 24, 2006, when the International Astronomical Union (IAU) defined conditions for planets that Pluto did not meet.
- Ceres - is the biggest asteroid in the Solar System.
- Haumea - is shaped like an egg.
- Eris - follows the most elliptical path of any planet or dwarf planet.
- Makemake - crosses paths with Eris.
Here some questions you can try to answer:
What is the difference between the eight planets and the dwarf planets?
Why is Pluto not a "planet" anymore?
Do scientists still find new planets today?
Could we live on Mercury or Venus?
Source: wikipedia.org
