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Galileo
Galileo looked at the sky with the first telescope -
Sir Isaac Newton
Sir Isaac Newton built the first reflecting telescope -
Hypothesis
A object in motion stays in motion -
Hypothesis
Force equals mass multiplied by acceleration -
Hypothesis
To every action there is a equal and opposite reaction -
Explorer 1
Explorer 1 launched -
Vanguard 1
Vanguard 1 was launched -
First human in space
The first human was launched into space and to orbit -
First astronaut
The first us astronaut to reach space -
Space craft
The first space craft to orbit past Neptun -
First photo
The first photo of the whole solar system by USA -
Asteroid landing
The first landing on a astroid -
Mercury orbit
The first orbit past Mercury -
James webb
The first James Webb telescope will launch