Free Republic
Browse · Search
General/Chat
Topics · Post Article

Skip to comments.

Hibernating astronauts would need smaller spacecraft
phys.org ^ | November 18, 2019 | European Space Agency

Posted on 11/18/2019 1:24:56 PM PST by BenLurkin

They took as their reference an existing mission study to send six humans to Mars and back in a five year timescale.

The study found the spacecraft mass could be reduced by a third by removing the crew quarters with a similar reduction in consumables, equivalent to several tons of saved mass. Hibernation would take place in small individual pods that would double as cabins while the crew are awake.

The assumption was that a drug would be administered to induce "torpor"—the term for the hibernating state. Like hibernating animals, the astronauts would be expected to acquire extra body fat in advance of torpor. Their soft-shell pods would be darkened and their temperature greatly reduced to cool their occupants during their projected 180-day Earth-Mars cruise.

Radiation exposure from high-energy particles is a key hazard of deep space travel, but because the hibernating crew will be spending so much time in their hibernation pods, then shielding—such as water containers—could be concentrated around them. And existing research into hibernation shows it gives enhanced radiation protection in its own right.

"For a while now hibernation has been proposed as a game-changing tool for human space travel," explains SciSpacE Team Leader Jennifer Ngo-Anh. "If we were able to reduce an astronaut's basic metabolic rate by 75% – similar to what we can observe in nature with large hibernating animals such as certain bears—we could end up with substantial mass and cost savings, making long-duration exploration missions more feasible.

"And the basic idea of putting astronauts into long-duration hibernation is actually not so crazy: a broadly comparable method has been tested and applied as therapy in critical care trauma patients and those due to undergo major surgeries for more than two decades."

(Excerpt) Read more at phys.org ...


TOPICS: Miscellaneous
KEYWORDS: 2001; hibernation; jenniferngoanh; planetoftheapes; scifi
Navigation: use the links below to view more comments.
first 1-2021-4041-6061-80 ... 101-103 next last

1 posted on 11/18/2019 1:24:56 PM PST by BenLurkin
[ Post Reply | Private Reply | View Replies]

To: BenLurkin

If they aren’t brought out of hibernation right, that could be bad.


2 posted on 11/18/2019 1:26:39 PM PST by dp0622 (Radicals, racists Don't point fingers at me I'm a small town white boy Just tryin' to make ends meet)
[ Post Reply | Private Reply | To 1 | View Replies]

To: dp0622

Open the pod bay doors, HAL.


3 posted on 11/18/2019 1:27:40 PM PST by FlipWilson
[ Post Reply | Private Reply | To 2 | View Replies]

To: dp0622

Just remember not to have some alien egg on board when one goes into hibernation.


4 posted on 11/18/2019 1:27:52 PM PST by C19fan
[ Post Reply | Private Reply | To 2 | View Replies]

To: C19fan

ROFLMAO!!!!!!


5 posted on 11/18/2019 1:28:07 PM PST by dp0622 (Radicals, racists Don't point fingers at me I'm a small town white boy Just tryin' to make ends meet)
[ Post Reply | Private Reply | To 4 | View Replies]

To: BenLurkin
Learned the other day that water makes a good insulator from neutron radiation. I presume that the same will happen with ice?

Hey, if you are going to freezie pop the astronauts why not flood the tank with water and free the whole thing?

6 posted on 11/18/2019 1:28:33 PM PST by dhs12345
[ Post Reply | Private Reply | To 1 | View Replies]

To: dp0622; BenLurkin

What about human body waste? Since it’s, or can be, toxic, wouldn’t that pose a problem to the traveling people? Just wondering.


7 posted on 11/18/2019 1:29:18 PM PST by carriage_hill (A society grows great when old men plant trees, in whose shade they know they will never sit.)
[ Post Reply | Private Reply | To 2 | View Replies]

To: FlipWilson

lol

Yeah HAL wasn’t good with the orders towards the end :)


8 posted on 11/18/2019 1:29:39 PM PST by dp0622 (Radicals, racists Don't point fingers at me I'm a small town white boy Just tryin' to make ends meet)
[ Post Reply | Private Reply | To 3 | View Replies]

To: BenLurkin

“Scientists have successfully induced hibernation in the current Democrat Presidential candidates.”


9 posted on 11/18/2019 1:29:49 PM PST by Gman
[ Post Reply | Private Reply | To 1 | View Replies]

To: carriage_hill

Is it let out into space at regular intervals.

Wait till the environmentalist find out :)

I wonder where that waste would end up in a few hundred million years.


10 posted on 11/18/2019 1:31:10 PM PST by dp0622 (Radicals, racists Don't point fingers at me I'm a small town white boy Just tryin' to make ends meet)
[ Post Reply | Private Reply | To 7 | View Replies]

To: FlipWilson

More like not having the computer monitoring the hibernation going rogue.


11 posted on 11/18/2019 1:31:53 PM PST by C19fan
[ Post Reply | Private Reply | To 3 | View Replies]

To: dp0622

When the ship’s computer realizes that the humans on board are really really stupid, bad stuff happens.... ;-)


12 posted on 11/18/2019 1:32:30 PM PST by cgbg (The Democratic Party is morphing into the Donner Party)
[ Post Reply | Private Reply | To 8 | View Replies]

To: Gman

And how will they be placed into this state of torpor?
Will they be forced to watch video of the House impeachment inquiry?


13 posted on 11/18/2019 1:32:39 PM PST by Buckeye McFrog (Patrick Henry would have been an anti-vaxxer)
[ Post Reply | Private Reply | To 9 | View Replies]

To: carriage_hill

If one is hibernation, all your body functions operate at minimal levels so one is not producing waste.


14 posted on 11/18/2019 1:33:05 PM PST by C19fan
[ Post Reply | Private Reply | To 7 | View Replies]

To: carriage_hill

carriage_hill wrote:
What about human body waste? Since it’s, or can be, toxic, wouldn’t that pose a problem to the traveling people? Just wondering.

———————-

NASA has already solved the problem human waste. Several years ago they contracted with the DNC and they collect all human waste and then resell it to the mainstream media.


15 posted on 11/18/2019 1:34:04 PM PST by ShackledNoMore
[ Post Reply | Private Reply | To 7 | View Replies]

To: BenLurkin

Hibernating astronauts would need smaller spacecraft>>>>>

Not if they eat a lot of government bacon and beans before they go.


16 posted on 11/18/2019 1:34:16 PM PST by Candor7 ((Obama Fascism)http://www.americanthinker.com/articles/2009/05/barack_obam_the_quintessentia_1.html)
[ Post Reply | Private Reply | To 1 | View Replies]

To: Buckeye McFrog

I’m pretty sure they they are already torped...


17 posted on 11/18/2019 1:37:42 PM PST by Gman
[ Post Reply | Private Reply | To 13 | View Replies]

To: dhs12345

There is this unfortunate thing that happens with water when it freezes—it expands. Freeze a human body and every cell explodes like they’re glass bottles.


18 posted on 11/18/2019 1:38:05 PM PST by Telepathic Intruder
[ Post Reply | Private Reply | To 6 | View Replies]

To: FlipWilson

19 posted on 11/18/2019 1:40:51 PM PST by Yo-Yo ( is the /sarc tag really necessary?)
[ Post Reply | Private Reply | To 3 | View Replies]

To: BenLurkin

Robot astronauts would need an even smaller spacecraft :P


20 posted on 11/18/2019 1:41:20 PM PST by Boogieman
[ Post Reply | Private Reply | To 1 | View Replies]


Navigation: use the links below to view more comments.
first 1-2021-4041-6061-80 ... 101-103 next last

Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.

Free Republic
Browse · Search
General/Chat
Topics · Post Article

FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson