Victor, sir:
It's from Harvard, so it has to be true.
While there is nothing to defy this, it does leave an element of doubt
*between - has to be true AND must be true*.
.....>360 k/h at the upper levels.....
SI exponants may like to add the missing 'm' in 360km/h. This is 323.8 km'/h
or 116.55 km'/sd.
Brij Bhushan Vij
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From: "Engel,Victor" <[EMAIL PROTECTED]>
Reply-To: East Carolina University Calendar discussion List
<[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: make Venus rotate faster
Date: Fri, 15 Sep 2006 16:09:34 -0500
In looking around for information on the Venus day length, I found an
article referencing research into a theories addressing this:
http://adsabs.harvard.edu/abs/1989PhDT........14M
It's from Harvard, so it has to be true.
The speed of rotation is slow enough that temperature differentials are not
necessarily insurmountable. Just move along with the terminator. I've had
the same idea for colonizing the moon, which would have extreme ranges of
temperatures also.
As to why the atmosphere rotates so fast, maybe it's related to its
thickness. But is it really so fast? The references I see online indicate
360 k/h at the upper levels of the atmosphere. I wouldn't characterize that
as super-rotation.
> -----Original Message-----
> From: East Carolina University Calendar discussion List
> [mailto:[EMAIL PROTECTED] Behalf Of Irv Bromberg
> Sent: Friday, September 15, 2006 3:34 PM
> To: [EMAIL PROTECTED]
> Subject: Re: make Venus rotate faster
>
>
> On Sep 15, 2006, at 10:41, Lance Latham wrote:
> >> ... there are no plants that could tolerate prolonged days
> followed
> >> by prolonged nights.
> >
> > Lance replies:
> > Someone should mention that fact to the birch, spruce, aspen and
> > other tree species living in Alaska, not to mention the wildflowers,
> > fungi, lichens, etc.
>
> Irv replies:
>
> They survive by freezing for the winter!
>
> If Venus' runaway greenhouse effect were eliminated, then
> yes, the long
> nights would become very cold indeed, and the long days would become
> very hot. Although plants of Alaska may survive the cold, they
> probably won't survive the heat.
>
> I guess we could experiment with a broad range of plant
> species and see
> if any could flourish under such conditions...
>
> The first organisms ought to be photosynthetic, heat-tolerant
> microorganisms, which ought to be able to survive the
> prolonged nights
> in a dormant state. Again, possible to identify them by experiments
> here.
>
> My reason, however, for suggesting increasing the Venus rotation rate
> as a higher priority is that I suspect that perhaps maybe
> possibly one
> method to make it happen would involve harnessing some of the
> energy of
> its super-rotating atmosphere and transferring that energy to the
> crust, for example using millions of moored reflective
> balloons. Such
> a method is more likely to be effective faster when it is
> working with
> the denser atmosphere of today. It is also possible that a converted
> normal pressure / breathable atmosphere will no longer
> super-rotate, or
> could develop air currents that go in opposite directions in
> the north
> and south hemispheres. Has anybody figured out why Venus' atmosphere
> super-rotates?
>
> -- Irv Bromberg, Toronto, Canada
>
> <http://www.sym454.org/>
>
