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[Discovery]Silent Satellite Spotted By Another Spacecraft - Page 2

post #11 of 26
Quote:
Originally Posted by aroc91 View Post

Quote:
Originally Posted by Biorganic View Post

"It is about 30 feet long (9 meters) and 16 feet wide (5 m), not counting the solar wing."
Why is this thing so large if its only purpose is to take high res pictures of the earth? 30ft by 16ft is HUGE. Are we sure they don't have missiles in there.... Seriously though, that seems like a lot of hardware to take pictures of the earth. This thing is nearly the size of the Hubble, which takes pics of distant galaxies.

Because that's not its only purpose.

http://en.wikipedia.org/wiki/Envisat

Gotcha, So It monitors climate change, atmospheric chemistry etc...
Quote:
Originally Posted by cayennemist View Post

It was hacked by Anon... Better vote yes on CISPA

rolleyes.gif /s

LOL
Quote:
Originally Posted by lordikon View Post


If both magnified by 10,000x, but were meant to focus differently, that may be plausible.

So the focal point of the lense would need to be vastly different. I do not recall exactly but I thought that the focal point of a lense and its magnification properties where in some way proportional.
Edited by Biorganic - 4/23/12 at 4:36pm
 
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post #12 of 26
Quote:
Originally Posted by cayennemist View Post

It was hacked by Anon... Better vote yes on CISPA
rolleyes.gif /s

LOL! smile.gif
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post #13 of 26
A case of all your eggs in one basket. Sure it would have been great if it worked out but now you have all theses seperate instruments and none of them are of any use.It was a gamble grouping all these experiments/sensors in the same craft, but it would have been great if it all worked.People should look at what can go wrong with spaceflight before they start with the "let's go to mars" ideas.Before you say "if the craft was manned it could easily be fixed" just think of how much more complicated the craft would be if it was manned.
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post #14 of 26
Time to go up and re-boot the satellite... lol
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post #15 of 26
Independence Day?
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post #16 of 26
It's already 5 years past it's initially planned lifespan so it had a good run. Launched in 2002, went wonky april 2012, so... 2007 for it's planned mission lifespan... so freaking 5 years? What kind of junk is that. Sattellites should have plans for a lifespan of like 50 years. Put some better batteries on those things ffs

And one wonders if there are plans in place to deorbit it, or do they just plan to leave it there to inevitably smash into a million pieces and further destroy the usefulness of near earth orbit? The space going nations really need to get together and sign some binding treaties about removing all the junk they place in orbit after it's lifespan is passed before they put so much junk in orbit that nothing at all can get past it all. We're all going to end up sealed off on earth with no access to space soon if this crap keeps up.
post #17 of 26
"Envisat was launched in 2002 and is already operating five years beyond its planned mission lifetime. ESA was expecting to turn off the spacecraft in 2014." - Wikipedia
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post #18 of 26
Quote:
Originally Posted by SpankyMcFlych View Post

It's already 5 years past it's initially planned lifespan so it had a good run. Launched in 2002, went wonky april 2012, so... 2007 for it's planned mission lifespan... so freaking 5 years? What kind of junk is that. Sattellites should have plans for a lifespan of like 50 years. Put some better batteries on those things ffs

i think space is a little more volatile than you think it is redface.gif
    
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post #19 of 26
Quote:
Originally Posted by banded1 View Post

i think space is a little more volatile than you think it is redface.gif

Well... the hubble has been up there since 1990 so you'd think they could at least aim for a bit longer. Though I guess the hubble has had 5 servicings heh. Billions of dollars just doesn't seem like the kind of money you want to spend on something that's only supposed to last 5 years.

But you're right, what do I know biggrin.gif. I just think everything should last longer. Seems like everything is made to be disposable these days.
post #20 of 26
Hmm.Yesterday something fell to Earth near Tahoe/Reno in the Sierra Nevadas. People for 400 miles heard a sonic boom,it shook the ground like a rocket taking off ,and multiple contrails were seen. Scientist claim it was a meteor that exploded before it hit the ground.
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