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NASA asteroid mission images released


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#1    Saru

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Posted 25 August 2013 - 12:04 PM

The space agency has revealed new concept images detailing their plans to land astronauts on an asteroid.

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The newly released images depict the planned rendezvous between a manned Orion spacecraft and an asteroid that has been moved in to a near-Earth orbit.

Source: http://www.unexplain...-mission-images


#2    highdesert50

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Posted 25 August 2013 - 08:32 PM

Despite the cutbacks, it is very heartening to see NASA is still there to inspire imaginations and encourage humanity regardless of our differences.


#3    Waspie_Dwarf

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Posted 25 August 2013 - 10:04 PM

As well as images NASA has also released an animation of the mission, which can be found HERE.

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#4    marcos anthony toledo

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Posted 26 August 2013 - 01:41 PM

The video is best seen full screen. I just wish NASA Orion command capsule didn't look like Apollo command capsule re dux I wish also that the capsule could land on land safer recovery and turn around time.


#5    Merc14

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Posted 26 August 2013 - 02:41 PM

At the Virginia Air and Space Center you can se one of the test Orion capsules and the Apollo 12 CM right next to each other.  They are very similar in appearance but Orion is, obviously, larger and much more technologically advanced.   I guess budgety constraints dictate an "If it ain''t broke, don't fix it." attitude and the capsule is just to get you to something bigger, as it was with Apollo, but one wonders what the other groups, who had presumably competed for the final design, had come up with.  Dragon is also similar in shape to Apollo.

Edited by Merc14, 26 August 2013 - 02:42 PM.

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#6    paperdyer

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Posted 26 August 2013 - 03:13 PM

Don't forget, I'm sure there will be people claiming it's a hoax, just like the moon landings.


#7    Merc14

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Posted 26 August 2013 - 03:26 PM

View Postpaperdyer, on 26 August 2013 - 03:13 PM, said:

Don't forget, I'm sure there will be people claiming it's a hoax, just like the moon landings.

Oh I am sure there will be and a bunch of them post here at UM daily  :w00t:

Edited by Merc14, 26 August 2013 - 03:26 PM.

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#8    Waspie_Dwarf

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Posted 26 August 2013 - 07:23 PM

View Postmarcos anthony toledo, on 26 August 2013 - 01:41 PM, said:

I just wish NASA Orion command capsule didn't look like Apollo command capsule re dux
Why? The Apollo capsule was designed for high speed re-entry from missions beyond Earth orbit, it's design was optimised for that. As the Orion capsule is designed to do the same job it is not surprising that they look similar.

View Postmarcos anthony toledo, on 26 August 2013 - 01:41 PM, said:

I wish also that the capsule could land on land safer recovery and turn around time.
And exactly how is landing on hard land safer than landing on water? There is a reason the diving boards are always over swimming pools and never over solid rock.

To land Orion on land would require larger parachutes and a retro-rocket system. The much smaller Soyuz capsule manages this, but even then the astronauts couches have to have a shock absorber system to prevent injury on landing.

All of this would be possible to fit to the Orion, but would increase the weight of the capsule considerably, reducing the amount of useful payload that could be carried.

As for reducing turn around time, how exactly? The Orion/SLS is basically a return to throw away boosters. Sure the SRBs will be reused, just as those on the shuttle were. Even the capsule will be reused, but it is not a reusable vehicle in the way that the shuttle was supposed to be. After each flight the capsule will need extensive refurbishment.

The limiting factor between launches will have nothing to do with how long it takes to get the capsule refurbished, it will be how long it takes to build the next SLS and get it on the pad.

Edited by Waspie_Dwarf, 26 August 2013 - 07:23 PM.

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#9    Merc14

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Posted 26 August 2013 - 07:40 PM

Navy practicing recovery of an Orion capsule by pulling it into the well deck of teh USS Arlington, an LPD.  Once inside teh well deck the ship raises and the capsule is safe an dry.  Certanly a better way then trying to fish it out of the ocean  with a helo.  Not sure what sea states would preclude this type of recovery but i'd guess they wouldn't land if the seas were that rough.  Sea surface conditions are one of the downsides of water based recoveries but the up sides are many as listed above.
http://www.universet...n-crew-capsule/

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#10    Waspie_Dwarf

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Posted 26 August 2013 - 09:01 PM

View PostMerc14, on 26 August 2013 - 07:40 PM, said:

Navy practicing recovery of an Orion capsule by pulling it into the well deck of teh USS Arlington, an LPD.
There is a topic on this here: Orion Crew Module Recovery Tests.

View PostMerc14, on 26 August 2013 - 07:40 PM, said:

Not sure what sea states would preclude this type of recovery but i'd guess they wouldn't land if the seas were that rough.
Unlike a mission to Earth orbit, not landing is not an option. On a mission to the Moon or to an asteroid the Orion will have committed to re-entry several days earlier. On a mission returning from Mars it could be several months earlier. Fortunately there is an awful lot of ocean and the Orion would land in alternative zone or even a different ocean.

"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

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#11    Merc14

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Posted 26 August 2013 - 10:22 PM

View PostWaspie_Dwarf, on 26 August 2013 - 09:01 PM, said:

There is a topic on this here: Orion Crew Module Recovery Tests.


Unlike a mission to Earth orbit, not landing is not an option. On a mission to the Moon or to an asteroid the Orion will have committed to re-entry several days earlier. On a mission returning from Mars it could be several months earlier. Fortunately there is an awful lot of ocean and the Orion would land in alternative zone or even a different ocean.
The problem is to cover all alternate recovery sites you'd need to tie up 3 or 4 Navy ships for every recovery.   Mars missions or asteroid recovery is a big deal and would warrant that kind of commitment but this capsule is also the workhorse craft that will launch relatively often over the course of the year.  Of course, returning from ISS allows a lot more freedom for selecting a return window.

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#12    Waspie_Dwarf

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Posted 27 August 2013 - 06:48 PM

View PostMerc14, on 26 August 2013 - 10:22 PM, said:

but this capsule is also the workhorse craft that will launch relatively often over the course of the year.
Absolute rubbish, sorry Merc but you don't know what you are talking about.

The Orion is for deep space exploration, nothing more, nothing less.

The workhorse craft will be one or more of the vehicles developed through the Commercial Crew Program, that's the Boeing CST-100, the SpaceX Dragon and/or the Sierra Nevada Dream Chaser. These are the vehicles which NASA will use for low Earth Orbit and for ferrying flights to the ISS. These are the craft which will launch relatively often over the course of a year.

"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

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#13    Merc14

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Posted 27 August 2013 - 07:38 PM

View PostWaspie_Dwarf, on 27 August 2013 - 06:48 PM, said:

Absolute rubbish, sorry Merc but you don't know what you are talking about.

The Orion is for deep space exploration, nothing more, nothing less.

The workhorse craft will be one or more of the vehicles developed through the Commercial Crew Program, that's the Boeing CST-100, the SpaceX Dragon and/or the Sierra Nevada Dream Chaser. These are the vehicles which NASA will use for low Earth Orbit and for ferrying flights to the ISS. These are the craft which will launch relatively often over the course of a year.

You are correct.  I didn't relize it was a deep space exploration only vehicle.  Thanks, I learned something!

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#14    Drayno

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Posted 27 August 2013 - 09:10 PM

NASA

View Posthighdesert50, on 25 August 2013 - 08:32 PM, said:

Despite the cutbacks, it is very heartening to see NASA is still there to inspire imaginations and encourage humanity regardless of our differences.

I agree... If anything, NASA should receive much more funding than it currently has.

Space is the only answer to the survival of the human race.

"A belief is like a guillotine, just as heavy, just as light." - Franz Kafka




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