Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > rec.arts.sf.written > #493903

Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American

Cross-posted to 3 groups.

Show all headers | View raw

Dimensional Traveler <dtravel@sonic.net> wrote:
> On 6/20/2018 1:33 PM, D B Davis wrote:
>> a425couple <a425couple@hotmail.com> wrote:
>>> On 6/19/2018 5:03 PM, Dorothy J Heydt wrote:
>>>> In article <883jidpvm7akms7jigenqg37gn3pkseetk@4ax.com>,
>>>> J. Clarke  <jclarke.873638@gmail.com> wrote:
>>>>> On Mon, 18 Jun 2018 10:15:53 -0700, a425couple
>>>>> <a425couple@hotmail.com> wrote:
>>>>>
>>>>>> On 6/18/2018 10:03 AM, a425couple wrote:
>>>>>>> from
>>>>>>> https://futurism.com/cyanobacteria-oxygen-mars/
>>>>>>>
>>>>>>> Want to Breathe on Mars? A Sea-Dwelling Bacteria Could Make That Possible.
>>>>>>> Now, we may have a new hope in the hunt for a steady supply of oxygen on
>>>>>>> the Red Planet: cyanobacteria. This family of bacteria sucks up carbon  
>>>>>>> dioxide and discharges oxygen in some of Earth's most inhospitable
>>>>>>> environments.
>>>>>>
>>>>>> and another similar version
>>>>>> https://www.scientificamerican.com/article/weird-low-light-bacteria-could-potentially-thrive-on-mars/ 
>>>>>
>>>>> The trouble with this notion is that there isn't much CO2 on Mars
>>>>> either.  So the cyanobacteria could separate _all_ of it and there
>>>>> still wouldn't be a breathable atmosphere.
>>>>
>>>> What we need to do to Mars before trying to give it an atmosphere
>>>> is to restart its magnetic field.  I'm working on and off (mostly
>>>> off) on a space opera in which that was done, and Mars
>>>> subsequently terraformed, back in the mythical times Before The
>>>> Interregnum which nobody remembers much of, so that I don't have
>>>> to explain how it was done.  :)
>>>>
>>>
>>> In the Star Trek series, "Star Trek Twilight's End" by
>>> Jerry Oltion, they plan to start a planet spinning.
>>> Which, would probably be one way.
>>>
>>> from
>>> https://www.amazon.com/Twilights-End-Star-Trek-Original-ebook/dp/B000FC0VY8
>>>
>>> "Unlike most planets, Rimillia does not spin upon its axis so its day
>>> and night sides are subject to perpetual extremes of hot and cold.
>>> Habitation has only been possible on a thin band of the planet's
>>> surface...until now.
>>> Using gigantic impulse engines of unimaginable power, the alien Dumada
>>> intend to start Rimillia rotating, rendering the entire world fit for
>>> colonization. Yet some fear the enormous stresses involved may tear the
>>> planet apart.
>>> Assigned to assist the Dumada, Captain Kirk must rescue a kidnapped
>>> scientist vital to the rotation project. But, once the giant engines are
>>> activated, can even Scotty save Rimillia -- and the U.S.S. Enterprise
>>> -- from total destruction."
>>
>> *spoiler space*
>> 
>> 
>> A malfunction catapults the ship /Hogan's Goat/ several billion years
>> into the future in "One Face" (Niven). The premise is that you can
>> think your way through any problem.
>>      The /Goat's/ crew and passengers finds themselves in an aged Solar
>> system where only one side of a now spinless Earth faces a shrunken Sun.
>> For lack of any alternative, the /Goat/ lands near the Earth's equator.
>> Then the ship's unobtainium is used to kickstart the Earth's spin.
>>
> Nitpick: In both those cases the planets actually are rotating.  They
> have to be in order for the same hemisphere to remain facing the star
> while the planet orbits.  That situation is call "tidal lock".  A planet
> that was not rotating would have a day the same length as its year.

Split o' the nit: rotate ≠ spin

From my _Oxford Dictionary_:

rotate
    move or cause to move in a circle round an axis or centre.

spin
    turn or whirl round quickly.

✍

Thank you,

-- 
Don

Back to rec.arts.sf.written | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

OT proposed - Want to Breathe on Mars? A Sea-Dwelling Bacteria Could Make That Possible. a425couple <a425couple@hotmail.com> - 2018-06-18 10:03 -0700
  Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican a425couple <a425couple@hotmail.com> - 2018-06-18 10:15 -0700
    Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican J. Clarke <jclarke.873638@gmail.com> - 2018-06-19 19:10 -0400
      Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Robert Carnegie <rja.carnegie@excite.com> - 2018-06-19 16:17 -0700
      Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Lynn McGuire <lynnmcguire5@gmail.com> - 2018-06-19 19:19 -0500
        Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican djheydt@kithrup.com (Dorothy J Heydt) - 2018-06-20 00:46 +0000
          Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Lynn McGuire <lynnmcguire5@gmail.com> - 2018-06-19 20:48 -0500
            Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Dimensional Traveler <dtravel@sonic.net> - 2018-06-19 19:26 -0700
              Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Lynn McGuire <lynnmcguire5@gmail.com> - 2018-06-19 21:31 -0500
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Dimensional Traveler <dtravel@sonic.net> - 2018-06-19 20:37 -0700
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Juho Julkunen <giaotanj@hotmail.com> - 2018-06-20 13:34 +0300
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Chris Zakes <dontivar@gmail.com> - 2018-06-22 19:58 -0500
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Lynn McGuire <lynnmcguire5@gmail.com> - 2018-06-22 20:00 -0500
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Dimensional Traveler <dtravel@sonic.net> - 2018-06-22 21:26 -0700
          Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican Robert Carnegie <rja.carnegie@excite.com> - 2018-06-19 20:00 -0700
            Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican J. Clarke <jclarke.873638@gmail.com> - 2018-06-19 23:31 -0400
              Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican hamish.laws@gmail.com - 2018-06-19 21:22 -0700
      Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican djheydt@kithrup.com (Dorothy J Heydt) - 2018-06-20 00:03 +0000
        Re: OT proposed - Want to Breathe on Mars? - Bacteria - from ScientificAmerican a425couple <a425couple@hotmail.com> - 2018-06-20 11:50 -0700
          Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American D B Davis <g@crcomp.net> - 2018-06-20 20:33 +0000
            Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American Dimensional Traveler <dtravel@sonic.net> - 2018-06-20 13:48 -0700
              Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American D B Davis <g@crcomp.net> - 2018-06-20 23:00 +0000
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American Peter Trei <petertrei@gmail.com> - 2018-06-21 12:14 -0700
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American D B Davis <g@crcomp.net> - 2018-06-21 20:05 +0000
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American Greg Goss <gossg@gossg.org> - 2018-06-22 08:51 -0600
              Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American Greg Goss <gossg@gossg.org> - 2018-06-22 08:50 -0600
                Re: OT proposed - Want to Breathe on Mars? - Bacteria - from Scientific American Dimensional Traveler <dtravel@sonic.net> - 2018-06-22 12:14 -0700

csiph-web