UMSF space history photo of the month |
UMSF space history photo of the month |
Guest_PhilCo126_* |
Jan 3 2008, 06:23 PM
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#1
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Guests |
Maybe we could make this a monthly item, in which we could look back at the history of Unmanned Space missions.
For January 2008 I've chosen an image showing the coverage of the Sun by early Pioneer 5-8 spacecraft. Pioneer 5 to 8, or Pioneer V to VIII using the system of Roman numerals in vogue during the early 1960s for spacecraft designations, were directed towards the Sun along the earth's orbit to monitor solar activity. Pioneer V was launched on 11th March 1960 and provided the very first space weather report 4 to 8 hours before a solar storm hit the Earth. Some of this Pioneer quartet, Pioneer 6-7-8 even provided updates on our Sun's activity during the early Apollo Moon landings in order to check the damaging potential of solar flares to affect the astronauts. |
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May 4 2008, 11:15 PM
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#2
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Senior Member Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
Does anyone recall whether or not Mariner 5 flew with the same solar wind vanes that Mariner 4 sported? I seem to recall the experiment had very minimal effect on Mariner 4, but Mariner 5 was flying into an area of increased solar wind density. Just wondering if they tried it -- especially since it's pretty obvious in the preceding image that the attach points for the vanes are certainly still there.
-the other Doug -------------------- “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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