IMP-8
Interplanetary Monitoring Platform-8
past Mission
Type
Orbiter
Launch
Oct. 26, 1973
Target
Space Environment
Objective
Study the boundary between Earth’s magnetic environment and interplanetary space
IMP-8 studied the boundary between Earth’s magnetic environment and interplanetary space, along with the radiation – both from the Sun and from outside the solar system – that passes between the two.
![](https://science.nasa.gov/wp-content/uploads/2023/06/imp8.gif?w=4096&format=png)
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