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Examples
1. In ten years, we went from the first artificial satellite to a man on the moon, ok?
2. The Sputnik was the first artificial satellite that was launched in 1957.
3. There are only 8 counties that launched artificial satellites.
4. Sputnik was the first artificial satellite orbiting Earth in 1957, and in 1961 Soviet pilot Yuri Gagarin became the first human being to orbit the Earth.
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