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Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit for three weeks before the batteries died.
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ARPANET was the network that became the basis for the Internet. ARPANET was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA).
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.