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[BBC] Voyager Solar System 'exit' debated - Page 4

post #31 of 64
Quote:
Originally Posted by jsc1973 View Post

+1

We don't know where the heliopause is. There have been plenty of articles already written based on statements from other scientists who believe Voyager is already beyond the heliopause, and others who think we're not even close to it yet. And even if it has, it's not really beyond the Solar System until it passes the limits of the Oort Cloud, which is probably a light-year out and still under the gravitational pull of the Sun.

It's a shame that scientists have to resort to sensationalism in this day and age to get headlines.

That is sad because science is really neat and USEFUL. Unlike Justin Bieber news.
Quote:
Originally Posted by knightsilver View Post

http://voyager.jpl.nasa.gov/imagesvideo/imagesbyvoyager.html


Am, I not reading right? I dont see any current photos taken from Voyager One?

I believe pale blue dot which is a photo on that page is the last photo voyager 1 ever took and sent back to Earth. Its from 1990.

this is the wiki on the photograph. pale blue dot
 
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post #32 of 64
One thing's for sure. No matter how big or how small a news story is these days, it is absolutely crucial that people are arguing about something.
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post #33 of 64
Thats sad, Id like to see some current pics taken with Voyager! Wondwer how long it takes to get a pic sent from Voyager?
post #34 of 64
Quote:
Originally Posted by knightsilver View Post

Thats sad, Id like to see some current pics taken with Voyager! Wondwer how long it takes to get a pic sent from Voyager?

Using their estimates and rough math about 17 hours.
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post #35 of 64
and people still saying that they believe in other live form more intelligent than human. No. we are Unique and very smart. I'm pround to be a human not a Big head short legs and green ET LOL.
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post #36 of 64
This thing has operated in the cold dark depths of space without maintenance for how long 1977 to now is what 30 years? Why the hell can't we make crap that lasts long today?
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post #37 of 64
Quote:
Originally Posted by Rayleyne View Post

This thing has operated in the cold dark depths of space without maintenance for how long 1977 to now is what 30 years? Why the hell can't we make crap that lasts long today?

in old times things are made to last. today's things are made to brake.
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post #38 of 64
WE NEED TO OVERCLOCK IT. you know, to uhm, go further? lol
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post #39 of 64
First off, they have plans to do more exploration beyond the asteroid belt... unfortunately they power everything with Plutonium-238 which we are quite litterally out of... I believe they threw the last of it into the Mars Curiosity Rover... This is not the big boom plutonium, this is litterally only useful as a powersource, and does it very nicely. It is not a "naturally occurring" form of plutonium and would have to be "made". Unfortunately, the only way to make this form of plutonium "easily" is by converting Thorium-234 into Uranium-235 then blowing it up to get another element (can't recall what that element is off hand) and THEN adding more nuetrons to make 238.... basically... its a complex process... Invest in Thorium to Uranium nuclear reactors and they can get this element very easily as a natural byproduct... otherwise, its a pain in the butt to manufacture...

BTW solar panels on these are not useful at all. They are too far out to receive any amount of useful solar radiation to provide power. When they talk about "detecting radiation" as a means to determine what parts of the solar system it has passed through, it is a sensor on board that is litterally getting just trace amounts of the radiation.

As to the second thing being mentioned here, the onboard camera was disabled quite some time ago. If I recall it was disabled shortly after they took the last pictures with it. Keeping it on drains a TON of power that they could not afford. The video in the article said there are only 6 onboard systems still running... one of those being a heater to keep things warm (in this case the cold depths of space is actually too cold...)

Bottom line, if you want more NASA space probes, you need to either provide them with something that is as energy dense at P-238 or you need to find more P-238 for them to power their systems with.
post #40 of 64
Quote:
Originally Posted by Chickensevil View Post

First off, they have plans to do more exploration beyond the asteroid belt... unfortunately they power everything with Plutonium-238 which we are quite litterally out of... I believe they threw the last of it into the Mars Curiosity Rover... This is not the big boom plutonium, this is litterally only useful as a powersource, and does it very nicely. It is not a "naturally occurring" form of plutonium and would have to be "made". Unfortunately, the only way to make this form of plutonium "easily" is by converting Thorium-234 into Uranium-235 then blowing it up to get another element (can't recall what that element is off hand) and THEN adding more nuetrons to make 238.... basically... its a complex process... Invest in Thorium to Uranium nuclear reactors and they can get this element very easily as a natural byproduct... otherwise, its a pain in the butt to manufacture...

BTW solar panels on these are not useful at all. They are too far out to receive any amount of useful solar radiation to provide power. When they talk about "detecting radiation" as a means to determine what parts of the solar system it has passed through, it is a sensor on board that is litterally getting just trace amounts of the radiation.

As to the second thing being mentioned here, the onboard camera was disabled quite some time ago. If I recall it was disabled shortly after they took the last pictures with it. Keeping it on drains a TON of power that they could not afford. The video in the article said there are only 6 onboard systems still running... one of those being a heater to keep things warm (in this case the cold depths of space is actually too cold...)

Bottom line, if you want more NASA space probes, you need to either provide them with something that is as energy dense at P-238 or you need to find more P-238 for them to power their systems with.

I do wish they'd turn the camera on one last time and take a picture from so far out, I know it'd be a massive drain but still it'd be one incredible image of space itself no?

AS for P-238 well, I don't have any on hand D: That far out would be absolute zero constantly wouldn't it?
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