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  Spuntnik I was the first artificial satelite in space.
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  Alan B. Shepard became the first U.S citizen in space.
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  Yuri A. Gagarin was the first human in space. He orbited Earth and returned safely.
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  Its destination was Venus and it verifies very high temperatures in Venus's atmosphere.
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  John Glenn became the first U.S citizen to orbit the Earth.
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  Apollo 11 landed on the moon's surface. Neil Armstrong was the first human to set foot on the moon.
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  Its destination was jupiter and it sent back photos of Jupiter and was the first space probe to encounter an outer planet.
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  Its destination was Mars its orbiter mapped the surface of mars; lander searched for life on Mars
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  Its destination was Venus and it mapped Venus's surface and returned data on the composition of Venus's atmosphere
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  Space Probes Voyager I and II were launched and are heading to deep space. These probes will explore beyond our solar systemas part as the voyager Interstellar Mission.