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Author Topic:   Quick Questions, Short Answers - No Debate
RAZD
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Joined: 03-14-2004
Member Rating: 2.9


Message 8 of 585 (436451)
11-25-2007 8:43 PM
Reply to: Message 5 by Zucadragon
11-25-2007 8:18 AM


Re: Oort cloud question.
8 - COMETS—Comets, journeying around the sun, are assumed to have the same age as our world and solar system. But, as *Fred Whipple has acknowledged, astronomers have no idea where or how comets originated.

Evidently all the comets should self-destruct within a time frame that is fairly short. Careful study has indicated that the effect of this dissolution process on short-term comets would have totally dissipated them within 10,000 years.

Typical creationist nonsense. Even if we had no clue where comets came from this would not logically result. The only thing you need to have to make this argument invalid is a source for comets that can "replenish" the number that we see -- specifically short term comets.

The other question is what causes the self-destruction -- if it is due to repeated passages close to the gravity well of the sun (causing tidal forces to break up the body), then it is related to the number of passes rather than the term of the comet.

http://www.solarviews.com/eng/oort.htm

quote:
The Oort cloud is an immense spherical cloud surrounding the planetary system and extending approximately 3 light years, about 30 trillion kilometers from the Sun. This vast distance is considered the edge of the Sun's orb of physical, gravitational, or dynamical influence.

Within the cloud, comets are typically tens of millions of kilometers apart. They are weakly bound to the sun, and passing stars and other forces can readily change their orbits, sending them into the inner solar system or out to interstellar space. This is especially true of comets on the outer edges of the Oort cloud. The structure of the cloud is believed to consist of a relatively dense core that lies near the ecliptic plane and gradually replenishes the outer boundaries, creating a steady state. One sixth of an estimated six trillion icy objects or comets are in the outer region with the remainder in the relatively dense core.

The Oort cloud is the source of long-period comets and possibly higher-inclination intermediate comets that were pulled into shorter period orbits by the planets, such as Halley and Swift-Tuttle. Comets can also shift their orbits due to jets of gas and dust that rocket from their icy surface as they approach the sun. Although they get off course, comets do have initial orbits with widely different ranges, from 200 years to once every million years or more. Comets entering the planetary region for the first time, come from an average distance of 44,000 astronomical units.


So the Oort cloud can supply new long-term comets at any time for as long as the cloud exists. Any long-term comet can be converted to a short-term comet by a change in orbit (passes too close to Jupiter on one of it's rare long-term passes).

http://www.fas.org/irp/imint/docs/rst/Sect19/Sect19_22.html

quote:
As of 1995, 878 comets have been catalogued; most now have their orbits reasonably well calculated. Of these 184 have definitely been established as periodic (at intervals of years to centuries pass the inner Solar System as they orbit the Sun; these can be divided into Short-Period (KBO) and Long Period (OC) types; new comets and others of the 878 may also be periodic but more observations over time are needed to confirm this. The number of comets - most still undetected - within the Solar System may be in the trillions.

Doesn't sound like we need to worry about running out any time soon - if we lost a short-term comet every year and replaced it with one of the trillions in the Oort cloud, it would be a very long time ...

Enjoy.

ps - this is a Hovind classic, and a PRATT

http://www.talkorigins.org/faqs/hovind/howgood-yea.html#proof3

Edited by RAZD, : clarity.


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we are limited in our ability to understand
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This message is a reply to:
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RAZD
Member
Posts: 20626
From: the other end of the sidewalk
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Message 25 of 585 (449149)
01-16-2008 9:03 PM
Reply to: Message 22 by molbiogirl
01-16-2008 6:43 PM


Re: Search function?
Try google with
site:http:// Brookings

You may need to pick the Similar Pages link.

Enjoy.

(cutie ;))

I feel pretty
oh so pretty
it's a pity how pretty I feeeeeeeeeeeeel ...


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we are limited in our ability to understand
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RebelAAmericanOZen[Deist
... to learn ... to think ... to live ... to laugh ...
to share.

This message is a reply to:
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RAZD
Member
Posts: 20626
From: the other end of the sidewalk
Joined: 03-14-2004
Member Rating: 2.9


Message 97 of 585 (486988)
10-26-2008 4:02 PM
Reply to: Message 96 by Taz
10-26-2008 1:33 PM


Re: About rhinos
Actually stamping out forest fires is why ducks have flat feet.

Rhinos have flat feet for stamping out flaming ducks.

(old elephant joke)

Enjoy.


This message is a reply to:
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RAZD
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Posts: 20626
From: the other end of the sidewalk
Joined: 03-14-2004
Member Rating: 2.9


Message 107 of 585 (497626)
02-05-2009 5:50 AM
Reply to: Message 105 by Zucadragon
02-05-2009 1:13 AM


Dictionary Definitions?
Hey Zucadragon

I need a bit of help, I'm in a discussion that starts with the basic, and I'm trying to find a good dictionary (or dictionaries) to define the term "evolution".

If you want to see how absurd that discussion can get see
http://www.evcforum.net/cgi-bin/dm.cgi?action=msg&f=8&t=153&m=1

Why not use definitions as used by universities that actually teach biological evolution?

Berkeley University

quote:
The Definition:
Biological evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a population from one generation to the next) and large-scale evolution (the descent of different species from a common ancestor over many generations). Evolution helps us to understand the history of life.

University of Michigan

quote:
Definitions of Biological Evolution

We begin with two working definitions of biological evolution, which capture these two facets of genetics and differences among life forms. Then we will ask what is a species, and how does a species arise?

  • Definition 1:

    Changes in the genetic composition of a population with the passage of each generation

  • Definition 2:

    The gradual change of living things from one form into another over the course of time, the origin of species and lineages by descent of living forms from ancestral forms, and the generation of diversity

    Note that the first definition emphasizes genetic change. It commonly is referred to as microevolution. The second definition emphasizes the appearance of new, physically distinct life forms that can be grouped with similar appearing life forms in a taxonomic hierarchy. It commonly is referred to as macroevolution.


  • Or you can use Darwin as a starting point: Descent with Modification.

    Or the "modern synthesis" definition: the change in frequency of alleles in populations over generations.

    Any definition not used in the science is irrelevant, as it is talking about a different evolution, and any attempt to use it in place of a scientific definition is equivocation and misrepresentation.

    Enjoy.


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


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    This message is a reply to:
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    RAZD
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    Message 191 of 585 (633774)
    09-16-2011 11:28 AM
    Reply to: Message 189 by purpledawn
    09-16-2011 8:16 AM


    Re: Red on blue
    Try a pink answer (it is actually closer to magenta but easier to type)

    Testing pink on black

    Testing pink on blue

    Testing pink on green

    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
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    RAZD
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    Message 193 of 585 (633778)
    09-16-2011 11:56 AM
    Reply to: Message 192 by dwise1
    09-16-2011 11:32 AM


    Re: Red on blue
    Hi dwise1,

    Recently, somebody on this forum complained about that color combination and I also now found it a bit harsh on the eyes.

    yeah, that was one of my posts.

    Personally I like tan, gold and orange as stand-alone colors and rarely use red, green or brown

    I also like blue or black with  white ([bgcolor]) or  tan backgrounds [blockcolor])

    Enjoy.

    Edited by RAZD, : more bling


    we are limited in our ability to understand
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    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
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    RAZD
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    Message 205 of 585 (635867)
    10-02-2011 12:51 PM
    Reply to: Message 203 by Admin
    10-02-2011 7:08 AM


    Re: Chat forum?
    Hi Percy,

    F&L is correct, it's on the todo list, but you are correct, too, we did used to have chat. It was provided by third party software. Initially it was free, then $10/year, then $25/year, then $75/year. At the last price hike I disabled the feature, and I don't know what the price is now.

    What is the difference between a chat function and open discussion on an open forum thread?

    Why not just have a "CHAT" forum and people can start chats on any topic, discuss them, and do anything you can do in a chat room, couldn't they?

    Put it in Side Orders with minimal moderation.

    Similar to Free For All
    Interested in free and wild debate unencumbered by most moderation? Then this is the forum for you. Just stay on topic.

    CHAT
    Interested in free ranging and unencumbered chats with other members with minimal moderation? Want to branch off from existing threads and not be tied to a topic? Then this is the forum for you. Just keep it legal and "family friendly".

    Just a thought. Certainly could be an interim solution?

    Enjoy.

    Edited by Zen Deist, : added


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

    This message is a reply to:
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    Replies to this message:
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    RAZD
    Member
    Posts: 20626
    From: the other end of the sidewalk
    Joined: 03-14-2004
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    Message 210 of 585 (635912)
    10-02-2011 11:08 PM
    Reply to: Message 206 by Wounded King
    10-02-2011 1:53 PM


    Re: Chat forum?
    Limit the posts to 200 characters and it should not take that long to make a post and then see the rest of the posts when it refreshes.

    Personally I don't need faster.


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

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    RAZD
    Member
    Posts: 20626
    From: the other end of the sidewalk
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    Message 211 of 585 (635913)
    10-02-2011 11:09 PM
    Reply to: Message 207 by hooah212002
    10-02-2011 4:20 PM


    Re: Chat forum?
    I don't need privacy, I wouldn't post anything that would need privacy.

    But if you need it, then use the chat forum to make contacts to then communicate by PM links

    Edited by Zen Deist, : .


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

    This message is a reply to:
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    RAZD
    Member
    Posts: 20626
    From: the other end of the sidewalk
    Joined: 03-14-2004
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    Message 213 of 585 (636030)
    10-03-2011 6:57 PM
    Reply to: Message 212 by hooah212002
    10-03-2011 9:29 AM


    Re: Chat forum?
    Hi hooah212002,

    Do I see a need for it? Not personally, but apparently there is a want for it from other members. The only use I could see for it is because it is difficult/obscure to see the (1)message blinking.

    Yeah, the only time I've used chat is at work where it was used as a "watson, i need you" kind of message.

    ... it is because it is difficult/obscure to see the (1)message blinking.

    Perhaps the location is wrong -- what if it was under your avatar?

    Enjoy


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

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    RAZD
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    Posts: 20626
    From: the other end of the sidewalk
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    Message 214 of 585 (636038)
    10-03-2011 7:26 PM


    message REPLY ALL function?
    Hi Percy,

    Hey Percy

    This recently occurred to me:

    Reply ALL function?

    Would it be possible to have a "reply all" (or reply multiple) function for when you get a number of replies to one message?

    This may need to be initiated within the post that gets the multiple replies, and could be where the "you have not yet responded" link is?

    Probably a bit more difficult would be to have an option in the reply program to "add another Reply to" which could be a toggle under the "Reply to: Message xxx by {Y}" where you can pick among the others that reply to the same post? then you would have

    Replies to: Message xxx by {A}
    Message yyy by {B}
      select another reply to ◊  

    It would likely need to be similar to a general reply (where you can see all the previous posts) but with the posts restricted to those that replied or that are selected for the response being shown (ie 2 or 3 posts).

    The link/s from the response to each of the replies could still look the same (replies to this message), but at the bottom it list the "ALL" posts under "This message is a reply to:"

    Enjoy.


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

    Replies to this message:
     Message 215 by RAZD, posted 10-03-2011 7:34 PM RAZD has responded

      
    RAZD
    Member
    Posts: 20626
    From: the other end of the sidewalk
    Joined: 03-14-2004
    Member Rating: 2.9


    Message 215 of 585 (636042)
    10-03-2011 7:34 PM
    Reply to: Message 214 by RAZD
    10-03-2011 7:26 PM


    [qs=mid#]
    Hi percy another one for your copious free time

    [qs=mid#] ie [qs=636038]

    would look like

    Message 214 writes:
    This recently occurred to me:
    Reply ALL function?

    This would be especially useful in the multiple response posts (whether done manually or with the mechanism suggested in Message 214

    Enjoy


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

    This message is a reply to:
     Message 214 by RAZD, posted 10-03-2011 7:26 PM RAZD has responded

    Replies to this message:
     Message 216 by RAZD, posted 10-03-2011 8:18 PM RAZD has responded

      
    RAZD
    Member
    Posts: 20626
    From: the other end of the sidewalk
    Joined: 03-14-2004
    Member Rating: 2.9


    Message 216 of 585 (636058)
    10-03-2011 8:18 PM
    Reply to: Message 215 by RAZD
    10-03-2011 7:34 PM


    message CC?
    And for just a couple more minutes ...

    how about a CC option ...

    under the
    Reply to: Message 214 by Zen Deist

    you would then have pull down menus for
      add another reply to ⟨ select ⟩  
      add cc to member     ⟨ select ⟩  

    and putting it all together the reply window would have:

    Replies to: Message 214 by Zen Deist
                       Message 215 by Zen Deist
              cc to: xongsmith
      add another reply to ⟨ select ⟩  
      add cc to member     ⟨ select ⟩  

    and the posted version would look like

    Replies to: Message 214 by Zen Deist
                       Message 215 by Zen Deist
              cc to: xongsmith

    where the CC's would show up on the members page as unanswered posts (those blue arrows)?

    Message 214 writes:
    This recently occurred to me:
    Reply ALL function?

    Message 215 writes:
    This would be especially useful in the multiple response posts (whether done manually or with the mechanism suggested in Message 214

    Edited by Zen Deist, : blue arrow


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

    This message is a reply to:
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    Replies to this message:
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    RAZD
    Member
    Posts: 20626
    From: the other end of the sidewalk
    Joined: 03-14-2004
    Member Rating: 2.9


    Message 217 of 585 (636060)
    10-03-2011 8:31 PM
    Reply to: Message 216 by RAZD
    10-03-2011 8:18 PM


    Re: Re: Re: new ideas
    Hi Percy, hope you like.

    one question: when you make a reply the system automatically adds "Re:" to the subtitle ...

    except that it doesn't when it is the next reply or for blank subtitles.

    I think it could be interesting if this kept incrementing (so a reply to this would be

    Re: Re: message CC?

    and the next

    Re: Re: Re: message CC?

    it would kind of force a subtitle change on our subtitle challenged members ...

    Enjoy.


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

    This message is a reply to:
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    Replies to this message:
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    RAZD
    Member
    Posts: 20626
    From: the other end of the sidewalk
    Joined: 03-14-2004
    Member Rating: 2.9


    Message 232 of 585 (645734)
    12-29-2011 8:59 AM
    Reply to: Message 231 by Admin
    12-29-2011 8:33 AM


    Re: Member Ratings Explained
    Hi Percy,

    It works like this:

    • Only messages from the last 90 days are used to calculate member ratings.

    • All cheers and jeers for a member are summed. A cheer is plus one, a jeer is minus one.

    • The sum of all cheers and jeers is divided over the member's total number of messages for the past 90 days, giving his raw rating.

    • The raw ratings across all members are normalized into the range 1 to 10, with 1 lowest and 10 highest. The results are the ratings you see.

    It is a popularity rating rather than a content rating.

    I would think that the default rating would be in the middle, average ... 5? Someone who posts little and says nothing controversial should be a 5? It seems to me that the distribution is skewed.

    The ability to view your messages that have received votes will be implemented at the same time as the automated post of the month system.

    Although popular does not necessarily mean good quality.

    A post like "Rick Perry is a doofus" could be highly popular, but would hardly qualify for post of the month in my opinion.

    Enjoy

    Edited by Zen Deist, : example


    we are limited in our ability to understand
    by our ability to understand
    Rebel American Zen Deist
    ... to learn ... to think ... to live ... to laugh ...
    to share.


    • • • Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click) • • •

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