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The second world war. It involved many countries.
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The Americans and Soviet scientists collaborated on new technology.
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The Space Race was a competition of the US and Soviet Union for space-flight compatibility.
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Sputnik was a satellite.
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Ranger 1 was a prototype of a series of unmanned space missions.
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Ranger 2 was a flight test of Ranger space crafts for lunar and interplanetary missions.
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President John F. Kennedy set a challenge for scientists to make it to the moon.
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Ranger 4's purpose was to transmit pictures of the moon's surface to Earth.
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Ranger 3 was a space exploration mission to study the moon.
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Ranger 5 was similar to Ranger 4, its purpose was to transmit pictures of the moon's surface to Earth.
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First to get close up images of the moon.
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First to transmit close up images of the moon to Earth.
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Its purpose was to help get landing sites on the moon for future apollo missions.
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Ranger 9 was a lunar probe.
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Photography of the moon.
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Surveyor 1's purpose was to land on the moon and gather information on the moon's surface for future apollo missions.
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Surveyor two was going to be the second American unmanned Surveyor program to explore the moon.
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Surveyor 3 was the third surveyor program on the moon.
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Surveyor 5 was the fifth lunar lander of the Surveyor program.
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Surveyor 4 was the fourth moon-lander of the surveyor program.
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Second manned flight to the moon and sixth manned flight in the US.
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Apollo 11 was mission where the first man walked on the moon.
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Ninth apollo mission, it was the first use of a lunar rover.
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Apollo 14 was the third mission to land on the moon and the eighth manned mission in the Apollo program.
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Get the first man to walk on the moon.
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Apollo 16 was the fifth mission to land on the moon and the tanth manned apollo mission.
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ISS is a low-orbiting, habitable satellite which astronauts live on now.
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The Wilkinson Microwave Anisotropy Probe was a space probe that measure temperature across the sky.
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The Spitzer Space Telescope is an infrared telescope launched in 2003 and still operating today.
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New Horizons is a space probe that is part of NASA's New Frontiers program.
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OSIRIS-REx is a asteroid study mission launched by NASA, its goal is to bring back a sample of at least 60 grams from the asteroid 101955 Bennu.
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InSight is an unmanned mission to study the interior of Mars.