For the first time, a man managed to see our whole world (earth) live only when entering orbit. It was after this when the planet was started to be called "blue dot". Let's not forget that 70% of the territory is allotted for water and only 30% is hard crust raised above sea level.
Our world is a giant magnet with poles. The magnetic field stretches for thousands of kilometers and creates a magnetosphere. The researchers believe that it is formed by a molten outer core, whose heat leads to convection of the movement of materials to generate electrical currents.
It is worth to thank for the magnetosphere, otherwise, the solar particles would have showered our world, and we would die from a huge amount of radiation.
To be more precise, it's 23 hours, 56 minutes and 4 seconds. This turnover is called a sidereal day. Then it turns out that every day is 4 minutes shorter? No, because our planet makes turns around the Sun. Each day the star is mixed in comparison with the background by 1°. We add this movement, we get our usual 24 hours. It's a sunny day.
Again, clarification: year = 365.2564 days. It is the additional 0.2564 days that lead to the fact that every 4 years we get an additional day in February.
Do you want to travel around the world? Or do you want to be number one in a specific sphere? Perhaps, you need to insert a world clipart into your photo or drawing. If then, feel free to download free world clipart.
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