We are accustomed to think that the 9 planets in the solar system and usually. were right. But everything changed after August 25, 2006 year, when participants of the Congress of the International Astronomical Union at a Conference in Prague decided to clarify what can be called a planet in the scientific world.
When many of us grew up, there were nine planets in the Solar System. It was like a fixed point in our brains. As kids, memorizing this list was an early right of passage of nerd pride: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto…. read more
Now the planet is believed to be the only heavenly body, rotating around the Sun, possesses sufficient gravity to have a form close to the field and holding its orbit alone.
After the adoption of this definition, Pluto was no longer considered a planet.
That led to this decision? The point is that as telescopes and other instruments to observe celestial bodies, scientists discovered several celestial bodies that are close in performance to those of Pluto. And, as scientists say the number of such celestial bodies will only increase. To avoid inflating the number of planets, the participants of the Congress and adopted a narrower classification of celestial bodies.
Information about each planet and moon in our solar system with many pictures, discussion of the history of its discovery, exploration, and physical … read more
Thus, the former Planet Pluto has moved into the category of dwarf planets. A current list of planets in the solar system, in order of increasing distance from the Sun, is as follows:
And the correct answer to the question “how many planets in the solar system? 8.
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