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Space Exploration Missions

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by

Andrew Shea

on 12 December 2012

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Transcript of Space Exploration Missions

Space Exploration Missions Mars Pathfinder The Voyager Missions(l. and ll.) Galileo Mission In 1997, a mission was launched from NASA. It took three years to plan the Pathfinder mission. Pathfinder was originally built to deliver a "lander" and a free-ranging robotic rover to the surface of Mars. Pathfinder(the name of the technology), was successfully able to do this and sent back a huge amount of data to Earth about Mars. The rover that landed was named Sojourner and survived about 3 months, 3 times its design life. The Voyagers are 2 identical spaceships that were sent to Jupiter and Saturn in 1977 to take pictures, collect data, and further the exploration of the Solar System. These two satellites were sent in 1977 to take place of a rare event. Every 175 years, Jupiter, Saturn, Uranus, and Neptune are aligned in such a way that if a satellite(such as Voyager) was to pass by 1 planet, it would be "propelled" to the next a lot faster than it would without this strange pattern. The 2 Voyagers are still in space today, sending info back to scientists here on Earth. Scientists say that the Voyagers will soon leave the Solar System. The Galileo spacecraft was designed to study the gaseous planet of Jupiter. It was named after Galilei Galileo, the person to first discover Jupiter's moons. Galileo was carried into orbit on October 18, 1989 by a space shuttle. On the way to Jupiter, Galileo passed several asteroids and comets. Galileo flew past a few of Jupiter's moons several times and outlived it's projected life by 6 years. Galileo's days were over when it crashed into Jupiter in 2003, sending pictures to Earth the entire way. Since the 20th century, several space missions have taken place, and not all of them were sent from the United States. Countries including the Soviet Union (modern Russia), Germany and the United States. Three of the most famous space missions were Mars Pathfinder, The Voyager Missions(I and II), and Galileo. Sojourner analyzing bits of soil. Voyager I Galileo orbitting one of Jupiter's moons.
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