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The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn about the star at the center of our solar system, and how it is critical to all life as we know it. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium

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Harvard’s top astronomer says an object spied in the Milky Way could be a sign of life in other parts of the universe. Source: CNN Well, an erection arises when a person try my drugshop now purchase cheap levitra sexually gets motivated.

Are we alone in the universe? Read More »

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