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Astronomy picture of the day

Frequently asked questions about the Solar system

How many planets in our solar system?

Our solar system consists of nine planets and one star – the Sun. We list the planets in order of distance from the Sun is mercury. Venus. Earth. Mars. Jupiter. Saturn. Uranium. Neptune and Pluto. In order to remember which planet is farther from the Sun, and what is closer to him (the order of the planets) often use the English mnemonic: M y V ery E ducated M other J ust S erved U s N ine P izzas. If You have Russian analogue of such a mnemonic, then we are happy to publish it, putting in the authorship.

3. What is the shape of the Solar system?

The planets, asteroids and comets in the Solar System are loose particles left over from the formation of the Sun. Originally the gas and dust which would become the Sun was the core of a cloud much larger than the Solar System, probably several light years across; where 1 light year is equal to approximately 10,000,000,000,000 kilometers (or 6 trillion miles). Continue reading

Experiment on the preparation of the flight to Mars was a success
Another event of the week associated with the desire of people to fly: successfully completed a 500-day scientific experiment in preparation for the manned mission to Mars. However, the question…

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Changes in the Solar system
The solar system is entering a new era From the sun to the Earth Let's start with the Sun. According to astrophysicists, since 1901 the intensity of the magnetic field…

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