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A daily newsletter charting the future: From technology to the scientific breakthroughs changing our lives.

From the Cold War to hurricanes: The evolution of space satellites

The Soviet Union astounded the world on October 4, 1957 by launching Sputnik 1, the first artificial satellite, into space to measure the density of the atmosphere. Today, nearly 1,500 satellites are orbiting the Earth making possible scientific discoveries, military communications, the tracking of migrational patterns, and even helping first responders save lives.

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