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Tag Archives: blue space

Blue Space HD Wallpapers

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Blue Space HD Wallpapers : Space is the vast region that begins where the earth’s atmosphere ends. Space is usually thought to begin at the lowest altitude at which satellites can maintain orbits for a reasonable time without falling into the atmosphere. This is approximately 160 kilometers (100 miles) above the surface. The concept of space is considered to be ...

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Space Wallpapers and Space Backgrounds

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Space Wallpapers and Space Backgrounds : Space is the vast 3-dimensional region that begins where the earth’s atmosphere ends, although modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime. The concept of space is considered to be of fundamental importance to an understanding of the physical universe. Space is usually thought ...

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