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Explorer 1

Hi :)

gurjot cheema

on 9 October 2012

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Transcript of Explorer 1

Explorer 1, What is it ? Explorer 1 was an american satellite that was launched on January 31st of 1958 and it was the first space satellite launched by the United States. Significance The significance of this event/technology was that this was the first american satellite to be launched into space and it ushered in a new age of space travel. Another thing that was controversial about this technology was that at that time the Americans and the Soviet Union were competing to see who could launch a satellite into space first. Both sides tried their hardest but in the end it was the Soviet Union who claimed the title of first satellite/tech in space. Tech that was important for Explorer 1 -Cosmic Ray detector instrument, used to estimate how many cosmic rays are in space, normal count would be 30 per second.
-five temperature sensors, to measure the temperature in space.
-acoustic detector, to detect impacts on the satellite. Website dedicated to Explorer 1
http://www.jpl.nasa.gov/explorer/ Other uses The Explorer 1 satellite wasn't really used for anything other than space exploration because not a lot was known about space at that time and the technology wasn't great enough to do anything other than that. Also the Satellite wasn't built to really do anything other than be a satellite. Interesting Facts -Third space tech in space ever.
-First American satellite in space.
-It orbited earth approximately 58,000 times
-It orbited earth once every 114.8 minutes and around 12 orbits everyday. Annotated Bibliography http://www.nasa.gov/mission_pages/explorer/explorer-overview.html Summary:
The article was mainly based on the Satellite Explorer 1 and it's background, technology and the people who made it.
The article was very useful and kept the information small and only gave what was fully needed, while leaving out the things that weren't necessary.
The article was very helpful in understanding the technology that made up the satellite and it also gave lots of information on other important things, such as it's history, the people who made it and what it did in space. Timeline -Project started on October 1st 1957 after the Soviet Union launched Sputnik 1.
- The Jet Propulsion Laboratory was given the task of designing, building and operating the satellite; they completed this task in less than 3 months.
-Explorer 1 launched January 31st on 1958.
-On the same day as the day of the launch, at about 1:30 am ET, when it was confirmed the satellite was in orbit, a news conference was set up to announce it to the world.
-The satellite stopped transmission on May 23, 1958 because it's battery died.
-It remained in orbit for 12 years after ending its transmission.
-It came back to earth on March 31, 1970.
-It orbited the earth 58,000 times before reentering the atmosphere. The Explorer 1 satellite was created for many reasons. Probably the biggest reasons for making and launching a satellite was so that NASA could learn about space and everything in it. It was also because Russia and the USA were at war and they were engaged in a deadlock to see which country would be able to launch a satellite or reach space first. Background The task of building the rocket was given to the Jet Propulsion Laboratory and it was directed and partially designed by Dr. William H. Pickering. Aboard the satellite was a cosmic rays (high energy particles that come into our solar system and planets' atmosphere from far away in the galaxy) detection instrument that was designed and built by James Van Allen and his graduate students. The task of building the rocket that would launch Explorer 1 into space was given to Wernher von Braun and his handpicked group of scientists. Notable Scientists Bibliography
1. http://www.nasa.gov/mission_pages/explorer/explorer-overview.html
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