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First telescope- Galileo
This was used to see the moon, stars, Jupiter, and many other thinks as well. Galileo was the one who invented this telescope too. -
Sir Isaac Newton- reflecting telescope
He made the first reflecting telescope. -
Sir Isaac Newton- 3 laws of motion
An object in motion stays in motion, force equals mass multipled by acceleration, and to every action, there is an equal and opposite reaction. -
First American rocket to use liquid fuel
Robert Goddard was the first to use a rocket with liquid fuel. -
First American designed rocket
The United States launches its first American-designed rocket. Known as the Wac Corporal, the rocket reaches the edge of space at an altitude of 50 miles after being launched from the White Sands Proving Ground in New Mexico. -
First satellite launched
Explorer 1 was the first satellite launched by the United States when it was sent into orbit. -
NASA
NASA is born. The United States is the country that founded NASA. NASA is a place where people think of new space ideas and is very popular and everyone knows of it. -
First view of moons far side
first view of the moon's far side, the Russians launched a satellite to see it. The Russian launches a satellite so they could see the far side of the moon -
First man on the moon
Neil Armstrong and "Buzz" Aldrin became the first men on the moon. This was in the United States -
First to enter the asteroid belt
first mission to enter the asteroid belt and leave the inner solar system. This is between Mars and Jupiter. -
First space shuttle launch
first space shuttle launch. Columbia is who launched the first space shuttle. -
First picture of full solar system
first picture of the whole entire solar system. People were finally able to see the whole solar system in one image. -
Hubble space telescope
Hubble Space Telescope
This is a telescope that is in space. -
First to land on asteroid
first landing on an asteroid. NEAR was involved in this asteroid landing. -
First spacecraft to a dwarf planet
first spacecraft to visit a dwarf planet. NASA was involved in this.