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This was the first time the moon was seen through a telescope. Galileo Galilei was the one to do so. This lead to many people wondering about space exploration and if it was possible.
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The first liquid fueled rockets are launched. They were launched by Robert Goddard. Robert anticipated many of the developments in space exploration.
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First personal Rocket is launched. It was launched by Hermann Oberth. Hermann is considered to be the father of space exploration and rockets.
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The US sent the first animals into space. Those animals were fruit flies. They were picked because of their genetic similarities to humans.
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First artificial satellite is launched. It was launched by the Soviet Union. It was launched into an elliptical low Earth orbit.
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This was the first time we got to see our Earth from above. This can lead to many questions about our Earth.
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This was the first time animals and plants returned safely from Earths orbit. Two dogs, some mice, and plants made it there and back safely.
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This was the very first flyby of Mars. This leads us to many questions and answers about Mars environment and landscape.
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This was the first time any human had been on the moon. And it was successful both their and back. The first human on the moon was Neil Armstrong.
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This was the first soft landing on Mars. This was also the first time we got signals from their surface.
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This was the first spacecraft to go beyond the Orbit of Neptune.
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This is the First photograph of the whole Solar System by NASA.
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This was the very first time a spacecraft orbited an asteroid. It quickly sent back pictures to NASA.
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This was the very first landing on an Asteroid. This came after the very first orbit of the Asteroid a year ago.
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This was the first time we got a hands on sample of an asteroid. And this was brought back from Japan.