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Mars rover Curiosity set for Saturday launch



 
 
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  #11  
Old November 27th 11, 09:36 PM posted to sci.space.policy,sci.space.history
Bob Haller
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Posts: 3,197
Default Mars rover Curiosity set for Saturday launch

On Nov 27, 2:03*pm, Fred J. McCall wrote:
bob haller wrote:
how many here believe curosity will really land safely and work?


Define 'work'. *Not because I think it won't, but because I know what
a 'head up and locked' weasel you are.



any takers?


the design apears overly complex with too many failure paths, plus
nasa only is sending one, so theres no 2nd chance


Bobbert, given your intellect, a lever is overly complex.

--
"Ignorance is preferable to error, and he is less remote from the
*truth who believes nothing than he who believes what is wrong."
* * * * * * * * * * * * * * * *-- Thomas Jefferson


work will be to arrive safely on the planets surface and do succesful
exploring
  #12  
Old November 28th 11, 01:17 AM posted to sci.space.policy
Sylvia Else[_2_]
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Posts: 458
Default Mars rover Curiosity set for Saturday launch

If you go to

http://www.nasa.gov/multimedia/videogallery/index.html

and view MSL Spacecraft Mars Bound

you see the operation where the spacecraft is given a spin, and then
separated from the launcher.

What puzzles me is that the launcher appears then to despin. Given that
by that time it's space junk, I have to wonder why.

Sylvia.

  #13  
Old November 29th 11, 08:26 PM posted to sci.space.policy,sci.space.history
george152
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Posts: 18
Default Mars rover Curiosity set for Saturday launch

On Sun, 27 Nov 2011 14:56:15 -0700, Fred J. McCall wrote:

Probes don't 'explore'.


Let me probe your rectum with this rusty coat hangar and tell everyone
then you don't feel like you were explored.
  #14  
Old December 1st 11, 02:39 PM posted to sci.space.policy
Sylvia Else[_2_]
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Posts: 458
Default Mars rover Curiosity set for Saturday launch

On 27/11/2011 12:27 PM, Jonathan wrote:
"Sylvia wrote in message
...
If you go to

http://www.nasa.gov/multimedia/videogallery/index.html

and view MSL Spacecraft Mars Bound

you see the operation where the spacecraft is given a spin, and then
separated from the launcher.

What puzzles me is that the launcher appears then to despin. Given that by
that time it's space junk, I have to wonder why.



I noticed that too. I figured they had to fire thrusters to get more
seperation, and that stopped the spin.


I can't really see that would happen exactly to cancel the spin.

On searching through various forums, it appears that sometimes they do
experiments relating to the Centaur stage after separation, so maybe
that's what that was about.

Sylvia.

  #15  
Old December 2nd 11, 06:10 AM posted to sci.space.policy,sci.space.history
george152
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Posts: 18
Default Mars rover Curiosity set for Saturday launch

On Tue, 29 Nov 2011 18:16:17 -0700, Fred J. McCall wrote:

george152 wrote:

On Sun, 27 Nov 2011 14:56:15 -0700, Fred J. McCall wrote:

Probes don't 'explore'.


Let me probe your rectum with this rusty coat hangar and tell everyone
then you don't feel like you were explored.


Any time you feel like you've done everything you want to in this
life, why, you just come right ahead and try that.


Attaboi, let your true homo hang out for everyone to see,
ToughieFaggie.
  #16  
Old December 3rd 11, 08:27 PM posted to sci.space.policy,sci.space.history
george152
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Posts: 18
Default Mars rover Curiosity set for Saturday launch

On Fri, 02 Dec 2011 03:53:41 -0700, Fred J. McCall wrote:

george152 wrote:

On Tue, 29 Nov 2011 18:16:17 -0700, Fred J. McCall wrote:

george152 wrote:

On Sun, 27 Nov 2011 14:56:15 -0700, Fred J. McCall wrote:

Probes don't 'explore'.

Let me probe your rectum with this rusty coat hangar and tell everyone
then you don't feel like you were explored.


Any time you feel like you've done everything you want to in this
life, why, you just come right ahead and try that.


Attaboi, let your true homo hang out for everyone to see,
ToughieFaggie.


Boy, you aren't even a good troll, so why don't you spit out the hook
and swim away?


Yeah but you rise to the bait so ****ing easily, you goddamned dunce.

*LOLOLOLOLOLOLOLOLOLOLOLOLOLOLOL*
  #17  
Old December 5th 11, 04:38 AM posted to sci.space.policy
Jonathan
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Posts: 197
Default Mars rover Curiosity set for Saturday launch


"Sylvia Else" wrote in message
...
On 27/11/2011 12:27 PM, Jonathan wrote:
"Sylvia wrote in message
...
If you go to

http://www.nasa.gov/multimedia/videogallery/index.html

and view MSL Spacecraft Mars Bound

you see the operation where the spacecraft is given a spin, and then
separated from the launcher.

What puzzles me is that the launcher appears then to despin. Given that
by
that time it's space junk, I have to wonder why.



I noticed that too. I figured they had to fire thrusters to get more
seperation, and that stopped the spin.


I can't really see that would happen exactly to cancel the spin.

On searching through various forums, it appears that sometimes they do
experiments relating to the Centaur stage after separation, so maybe
that's what that was about.



Not sure why the decided to stop the spin, but I found this...

In this case, the Atlas put Mars Science Lab on a track to miss Mars by
38,000 miles to ensure the Centaur upper stage that is following the
spacecraft won't hit the planet.
http://www.spaceflightnow.com/atlas/...201noburn.html

And this...

"A year later, Centaur successfully placed the satellite into transfer orbit
after a 25-minute coast, then developed an unplanned-for spin that
compromised its communications experiments.21"

"To prevent Delta's reflected motor exhaust from damaging Pioneer, Centaur
performed a retromaneuver to move it 25 feet from the Delta stage.52"
http://history.nasa.gov/SP-4230.pdf


The Centaur can control its orientation precisely, which is important for
managing the direction of thrust while its engine is firing. It carries its
own flight control computer and can release its payload with the desired
attitude and spin rate.
http://mars.jpl.nasa.gov/msl/mission...ehicle/stage2/






Sylvia.




  #18  
Old December 5th 11, 08:08 AM posted to sci.space.policy,sci.space.history
george152
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Posts: 18
Default Mars rover Curiosity set for Saturday launch

On Sat, 3 Dec 2011 14:27:49 -0500, george152 wrote:

On Fri, 02 Dec 2011 03:53:41 -0700, Fred J. McCall wrote:

george152 wrote:

On Tue, 29 Nov 2011 18:16:17 -0700, Fred J. McCall wrote:

george152 wrote:

On Sun, 27 Nov 2011 14:56:15 -0700, Fred J. McCall wrote:

Probes don't 'explore'.

Let me probe your rectum with this rusty coat hangar and tell everyone
then you don't feel like you were explored.


Any time you feel like you've done everything you want to in this
life, why, you just come right ahead and try that.

Attaboi, let your true homo hang out for everyone to see,
ToughieFaggie.


Boy, you aren't even a good troll, so why don't you spit out the hook
and swim away?


Yeah but you rise to the bait so ****ing easily, you goddamned dunce.

*LOLOLOLOLOLOLOLOLOLOLOLOLOLOLOL*


C'mon, c'mon, Freddie, you're not thru making an assclown out of
yourself.

*LOLOLOLOLOLOLOLOLOLOLOLOLOLOLOL*
 




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