Our Universe

Our universe is gigantic, almost as if us humans will never be able to grasp the idea of how large it is. Within the universe there are galaxies, with stars and planets. We live on a planet surrounding a star- the sun. If 1 centimeter is equal to a whopping 50,000 kilometers, the sun will be a total of 27.84 centimeters. The sun is 108.75 times greater than the very planet we live on! Earth is not the only planet in our galaxy, there is also Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and the dwarf planet Pluto. Mercury, Venus, Earth and Mars are the closest to the sun which makes them terrestrial planets. These planets have a solid core. The other planets are further from the sun and are on a different asteroid belt.

Mercury is the closest to the sun, and Pluto the furthest. Pluto is considered a dwarf planet because of its small size and vast distance from the sun. In total, Pluto is 5,900,000,000 kilometers away from the sun. As humans it is hard for us to imagine how colossal the universe is!

Pluto’s diameter sums up to 0.06 centimeters, or 3,000 kilometers. Our largest planet which is Jupiter has a diameter of 2.856 centimeters (778,000,000 km). Even though Jupiter is already the largest out of all planets in our galaxy, it still seems insignificant compared to the sun. The sun so gigantic compared to all the other planets, yet the sun is only one star in the entire universe.

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