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Hubble Servicing Mission 4 cancelled?
of the safety pussies! I'm not one of you star gazing nuts :-) but I do realize the Hubble is the MOST important piece of equipment that the Shuttle has put into space today. To not service it due to safety concerns is really sad. So how many lives is Hubble worth? Ehh, it's not like a Shuttle flight is a death sentence. There's a 99% chance of coming back alive. But hey, if you're squeamish, launch all the service hardware on an unmanned Shuttle and send up the service crew later in a couple of Soyuzes. After, send the Shuttle on a destructive re-entry. |
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Hubble Servicing Mission 4 cancelled?
Richard Schumacher wrote:
Ehh, it's not like a Shuttle flight is a death sentence. There's a 99% chance of coming back alive. More or less; this is bound to start another statistics debate . . . But hey, if you're squeamish, launch all the service hardware on an unmanned Shuttle and send up the service crew later in a couple of Soyuzes. After, send the Shuttle on a destructive re-entry. Of course, Soyuz probably can't reach HST's operating altitude and orbital inclination from Baikonur. -- Herb Schaltegger, B.S., J.D. Reformed Aerospace Engineer Remove invalid nonsense for email. |
#3
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Hubble Servicing Mission 4 cancelled?
Herb Schaltegger lid.retro.com
wrote: Richard Schumacher wrote: [...] But hey, if you're squeamish, launch all the service hardware on an unmanned Shuttle and send up the service crew later in a couple of Soyuzes. After, send the Shuttle on a destructive re-entry. Of course, Soyuz probably can't reach HST's operating altitude and orbital inclination from Baikonur. Launch the Shuttle to the right inclination but low altitude (especially to low perigee); rendezvous Soyuz to Shuttle. Use OMS to raise apogee to Hubble height. Rendezvous with scope, service, lather-and-rinse (oops, wrong procedure), return. And you'd need 2 Soyuz craft to have enough crew. And if not paranoid enough already, a 3rd one standing by to backup the crew that gets launched to Tibet :-O Is this mission plan achievable? Expensive, impractical, but achievable? /dps |
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Hubble Servicing Mission 4 cancelled?
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#5
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Hubble Servicing Mission 4 cancelled?
"Thomas Cuny" wrote in message om... Move HST to ISS. Service HST. Can the HST function in ISS's orbit? How much effort would it be to move HST? Essentially, you'd have to land HST and then launch it again into ISS orbit. And the only vehicle capable of that is the Shuttle. (I'm not even sure if the Shuttle could reach the ISS orbit with the HST payload.) It takes a lot of fuel to change your inclination while in orbit Bruce |
#6
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Hubble Servicing Mission 4 cancelled?
"Thomas Cuny" wrote in message om... (dave schneider) wrote in message m... Herb Schaltegger lid.retro.com wrote: Richard Schumacher wrote: [...] But hey, if you're squeamish, launch all the service hardware on an unmanned Shuttle and send up the service crew later in a couple of Soyuzes. After, send the Shuttle on a destructive re-entry. Of course, Soyuz probably can't reach HST's operating altitude and orbital inclination from Baikonur. Move HST to ISS. Can't be done. Service HST. Can the HST function in ISS's orbit? How much effort would it be to move HST? Far too much. It would be easier in some ways to de-orbit the thing in a shuttle and relaunch it to ISS. (in terms of fuel required.) |
#7
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Hubble Servicing Mission 4 cancelled?
On 22 Jan 2004 21:07:28 -0800, (Thomas Cuny) wrote:
Can the HST function in ISS's orbit? How much effort would it be to move HST? The head of NASA was asked about that at this afternoon's press conference. Basically, he said it would be difficult and the HST might die before they could arrange it anyway. |
#8
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Hubble Servicing Mission 4 cancelled?
The head of NASA was asked about that at this afternoon's press conference.
Basically, he said it would be difficult and the HST might die before they could arrange it anyway. What about using electrical powered engines ? After all time in on our side in case... http://tinyurl.com/3drsh AlexT |
#10
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Hubble Servicing Mission 4 cancelled?
"Jim Shaffer, Jr." wrote: The head of NASA was asked about that at this afternoon's press conference. Basically, he said it would be difficult and the HST might die before they could arrange it anyway. And just after Opportunity landed, Weiler, Theisinger and Elachi give O'Keefe a sign: http://spaceflightnow.com/mars/mera/...5officials.jpg ;-) |
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