Pioneer 5 color picture |
Pioneer 5 color picture |
Jan 5 2007, 09:37 AM
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#1
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Senior Member Group: Members Posts: 1729 Joined: 3-August 06 From: 43° 35' 53" N 1° 26' 35" E Member No.: 1004 |
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Jan 5 2007, 12:15 PM
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#2
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Senior Member Group: Members Posts: 1870 Joined: 20-February 05 Member No.: 174 |
I'm inclined to agree. The first spacecraft to get REALLY good interplanetary field data were the Interplanetary Pioneers (6-9) and Mariner 10. Previous missions like Mariners 2, 4 and 5 had headaches separating spacecraft magnetic fields from the weak solar field. Building a "Magnetically Clean" spacecraft is a pain, and is expensive. Mariner 10 cheated. They installed two magnetometers, one halfway out the magnetometer boom, the other at the end of the boom. Comparing the two sets of readings reduced the spacecraft field interference to a small fraction of the solar wind's field.
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