Voyager Enters Final Frontier Of Solar System |
Voyager Enters Final Frontier Of Solar System |
Guest_Sunspot_* |
Jun 3 2005, 10:47 PM
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http://planetary.org/news/2005/voyager-upd...ation_0524.html
Voyager 1, the most distant human-made object in space, has crossed the termination shock, the last major threshold in the solar system, team members announced today at the annual American Geophysical Union (AGU) meeting in New Orleans, Louisiana. |
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Guest_PhilCo126_* |
Nov 13 2005, 05:48 PM
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I thought it would last untill 2015 before the first VOYAGER spacecraft will be in interstellar space ...
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Nov 14 2005, 03:52 PM
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Senior Member Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430 |
QUOTE (PhilCo126 @ Nov 13 2005, 12:48 PM) I thought it would last untill 2015 before the first VOYAGER spacecraft will be in interstellar space ... I went to the official NASA/JPL Web site on the Voyagers and found this: http://voyager.jpl.nasa.gov/mission/weekly-reports/index.htm And if you go to the home Voyager page, they have links to the latest science data from the probes from this year. Go here and look on the left column under Latest Browse Data: http://voyager.jpl.nasa.gov/ This page has a rundown of what the Voyagers will be doing through the year 2020, when it is thought they will finally be unable to power even a single instrument: http://voyager.jpl.nasa.gov/spacecraft/spacecraftlife.html -------------------- "After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance. I see that such intercourse long continued would make one thoroughly prosaic, hard, and coarse. But the longest intercourse with Nature, though in her rudest moods, does not thus harden and make coarse. A hard, sensible man whom we liken to a rock is indeed much harder than a rock. From hard, coarse, insensible men with whom I have no sympathy, I go to commune with the rocks, whose hearts are comparatively soft." - Henry David Thoreau, November 15, 1853 |
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Nov 14 2005, 07:08 PM
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Member Group: Members Posts: 624 Joined: 10-August 05 Member No.: 460 |
QUOTE (ljk4-1 @ Nov 14 2005, 08:52 AM) I went to the official NASA/JPL Web site on the Voyagers and found this... I pulled up some of data, the increase in cosmic ray count is an eye opener, at least doubling, if not more over the last two years. I am also intregued by the the fact that the plutonium powered system is producing more energy than expected. Over the short term, this can be written off as better-than-expected aging of the thermalcouples; but the trend looks like it is gnawing away at three sigma limits. Wouldn't it be a hoot if radioactive half-lifes turn out to vary as a function of AU? Could the increase in cosmic rays be effecting the decay rate? |
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