Never-Ending Space and Its Planets

All information I have about the planets in our galaxy.

 <– Our solar system remember that the planets of the milkway ORBIT the sun.

The Sun

The sun is a star in the middle of our solar system. The Earth and other planets orbit the sun. The distance from The Earth to the sun is around 149,598,000 kilometres and the light of the sun travels that distance on 8 minutes and 20 seconds, What so ever the distance from sun to Earth varies from 147,100,000 on the 3rd of January to 152,100,000 on the 4th of July. The suns energy called “sunlight” supports all life on the Earth, and drives the climate and weather. The sun is around 5,510 C on the surface. The sun moves 250 km/s. When/If the sun runs out of gas, which keeps it glowing, it will eventually explode and create a supernovae destroying the Earth.

Mercury

Mercury is the smallest planet in our solar system, and is also the closest to the sun. Once every 88.000 Earth-day it have orbited the sun. Mercury is very bright viewed from the Earth. Mankind only know a little about Mercury, telescopes on the Earth reveals only a little part of the planet. In 1974 a spaceship passed by, and mapped 45% of the planet. In 2008 another spaceship flew by revealing another 30% but yet there still remains a lot. In 2011 another spaceship have the mission to map the rest. Already in the Roman time (300 BC to 200 after Christ) Mercury was discovered, Mercury therefore also got its name from the Roman god, “Mercury”.

Venus

Venus is the second closest planet to the sun, orbiting the sun takes 224 days. The planet is named after Venus, the Roman goddess of love. Except for the moon, Venus is the most bright thing in the night sky. Venus reaches its maximum brightness shortly before sunrise or shortly after sunset, for which reason it is often called the Morning Star or the Evening Star. Often Venus is called “Sister of the Earth” because it look like the Earth (in size.)

The Earth

Yeah, the Earth, our planet, the only planet with the perfect atmosphere for things to live in. The Earth is 65 %  water. Water is keeping everything we know of alive. Well find out more yourself. I’m too bored to write about boring Earth ;)

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