Interesting and Cool Things to Know

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The Sun will become a Red Giant in about 7.7 billion years. The radius will increase by 256 times, and the outer layers of the star will reach the current orbit of the Earth.
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If we weigh the entire Solar System, it turns out that our Sun contains about 99.87% of all the matter. This is equivalent to about 333 000 Earths.
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We call Mars the "Red Planet", but its sunsets are actually bluish, whereas sunsets on our blue planet Earth look red.
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Although many cats hate water, tigers are great swimmers and can cover many kilometers during hunting. Actually, they quite often play in rivers and lakes, swimming just for fun.
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If we weigh the entire Solar System, it turns out that our Sun contains about 99.87% of all the matter. This is equivalent to about 333 000 Earths.
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