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EARTH SPACE SCIENCE PRESENTATION EXPLORER 1 AND 3
Transcript of EARTH SPACE SCIENCE PRESENTATION EXPLORER 1 AND 3
Explorer 1 and Explorer 3
Explorer 1 had a purpose to explore the temperature around Earth, survey its orbit, study its gravity field, and prove to the world that the USA could get to space. Explorer 3 purpose was to confirm the discoveries that Explorer 1 had made (Explorer 2 failed to ignite a launch).
Goals of Explorer 1
Its primary instrument was a cosmic ray detector that was to measure the Earth's radiation environment. This picture is of the Explorer 1, which weighed only 30 pounds
The initial goal was to gather environmental radiation from the Earth, but came up short because (as theorized by Dr. Van Allen) it was 'saturated by very strong radiation from a belt of charged particles. The image is of Ex.1 launching.
Explorer 3 (its goals and accomplishments)
Explorer 3 was sent out in regards to confirm the radiation belt that explorer 1 had picked up. It was successful in its search and confirmed the Van Allen Belts of radiation.
The success of Explorer 1 and Explorer 3
The left image shows Dr. William H. Pickering (left), Dr. James A. van Allen (center), and Dr. Wernher von Braun (right), holding the successful spacecraft after its mission.
The right image is of Explorer 3, whcih succeeded in the confirmation of the Van Allen Belts.
Launched Janurary 1, 1958 (ex 1)
Launched March 26, 1958 (ex 3)
Data Gathered and New Discoveries