Juno development, launch, and cruise, Including Earth flyby imaging Oct 9 2013 |
Juno development, launch, and cruise, Including Earth flyby imaging Oct 9 2013 |
Apr 3 2006, 09:57 PM
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Member Group: Members Posts: 172 Joined: 17-March 06 Member No.: 709 |
I thought that it was time to start a new thread devoted to the JUNO Jupiter
Orbiter mission. This New Frontiers Mission #2 seems to be a "stealth" project with little information available on the Web. In fact, the official NASA JUNO web site is quite pitiful. It contains the minimal amount of information on what seems to be an intriguing mission, in terms of both science and engineering. Does the UMSF community have information on this mission that has not been widely seen before? Another Phil |
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Mar 13 2007, 10:57 AM
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Dublin Correspondent Group: Admin Posts: 1799 Joined: 28-March 05 From: Celbridge, Ireland Member No.: 220 |
This Boeing\Spectrolab marketing page indicates that 28.3% is the current state of the art for space rated cells with 33% expected by 2009.
To put the 40.7% number in perspective 34% was the R&D state of the art in 2000 so it appears to take around a decade to go from state of the art to sufficiently mature to become available in a space rated array. The optical concentrator approach has a major drawback as it requires much more accurate sun pointing. I suspect that that would rule the approach out for any craft in a reasonably tight orbit of a planet but that's just a hunch. |
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