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In 1957, The first earthling to orbit our planet was just two years old. Her name as Laika.

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In 1957, The first earthling to orbit our planet was just two years old. Her name as Laika.

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On October 4, the Soviet Union launched the first satellite into space.

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"Explorer 1" went into orbit on January 31, 1958.

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The pathfinder landed on Mars and began sending images.

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1671, 1672, 1684- Jean Dominique discovered Saturn's moons

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1671, 1672, 1684- Jean Dominique discovered Saturn's moons

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Fruit flies were launched into space to study the effects of space on animals.

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1998 - International Space Station (ISS)

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1998 - International Space Station (ISS)

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The ISS was launched into space, and it is the size of a football field.

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-The International Space Station (ISS) is the largest structure humans have put into space.
-used primarily for astronomical, geological, and environmental research
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1631- astronomer Pierre Gassendi first observed Mercury 

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1631- astronomer Pierre Gassendi first observed Mercury 

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transit across the sun, and just a couple of years later, another astronomer, Giovanni Zupi discovered phases, indicating that the planet orbited the sun.

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Albert went into space in a special American V2 Rocket that flew 83 miles from earth.

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1610 Galileo Galilei observed phases of Venus

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1610 Galileo Galilei observed phases of Venus

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Confirmed that the planet did indeed orbit the sun. Due to the planet's thick atmosphere, observation of the surface wasn't possible until the 1960s

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The ISS is visible from Earth without the use of a telescope if viewers know when and where to look.
Use this tracker to find out when to see the space station.
http://www.space.com/32054-satellite-tracker.html

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After Robert Hutchings Goddard (who was an American engineer, professor, and physics) created the world's first liquid- fueled rocket, it was finally launched on March 16th, 1962 ushering in an era of space flight and innovation.

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Dennis Tito was the first tourist of space in a Russian Sotuz spacecraft. He spent a week in orbit.

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Shortly after Sputnik, the USSR launched Sputnik 2 in November 1957. This craft was manned with a dog named Laika.

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During the mission Apollo 11, the first American men walked on the moon.  Neil Armstrong and Buzz Aldrin walked on the moon and collected material to bring back to Earth.

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Our solar system contains eight planets, with the sun being the center. In order, these planets are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

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It is theorized that the universe began forming 13.8 billion years ago. Its expansion began rapidly, and throughout time stars, galaxies, and other astronomical objects have been created.

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The Hubble Telescope was launched into the Earth's orbit in 1990. It gives us a lot of information about the space around our planet and solar system.

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In 1958, the United States formed NASA (National Aeronautics and Space Administration). It is a civilian organization that does aerospace research.