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divagreen

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Posts posted by divagreen

  1. This is an old username that I used to use on another forum a couple of years ago. I think I was watching the tellie at the time, while trying to create an account for that site, when Madonna strutted across the screen and I thought, "Diva". Then...I thought about what I am most passionate about and that would be sustainable living, and well...g r e e n.

     

    I use it on this site because I learned so very much with that username, and I hope that I may learn as much with it here.

  2. When I saw the title, "King of the Elements", thought oooh! oooh! I know this one!

     

    Hydrogen. And there it was in the original post.

     

    So I thought oooh! oooh! Helium. And then I read further and there someone posted it.

     

    So...in order to keep this discussion alive, maybe a little lateral thinking is in order?

     

    Helium3.

  3. "The Revenge of Gaia" James Lovelock. Whoever I've lent my copy to has said everybody should read it. Very difficult to argue against anthropocentric climate change when one has done so. Great intro for lay readers to the concept of the Earth as a self regulating System.

     

    I have been wanting to read that book!

     

    I always lend out The Little Prince by Antoine de Saint-Exupéry and Socrates to Sarte: A History of Philosophy by Samuel Enoch Stumpf. Two of my favourite.

  4. So if it took 10 billion years for that galaxy to get that far away from us, and another 10 billion years for the light to get back to us, then doesn't that mean the universe is at least 20 billion years old? But isn't the universe believed to be only about 14 billion years old?

     

    I think I see where you are going with this, and while I hate to answer a question (especially one where I don't know the exact answer to) with a question, I do ask this...can the galaxy that is moving away from us still be emitting light that we would be seeing? Wouldn't that cut down on all of that travel time?

     

    Wouldn't that mean we are just seeing light from that galaxy that is 10 billion light years away, mean that we are just seeing light from that galaxy that is 10 billion years away? Isn't there a point where the space curvature intercepts or even supersedes expansion and general relativity with regards to time?

     

    I am a novice when it comes to cosmology.

  5. I'm curious, what's stopping you?

     

    Looking at our logs, we get a lot of new joiners who post a few questions and then sort of drift off. I can understand that, you have a question that gets answered and you go back to normal life.

     

    But we get quite a lot of people who join, post an intro, then never (or rarely) post again, and I was just wondering if there is something we can do about those folks. It can't be our breath. Is it just that you aren't in the habit yet? Do you post in other forums? Don't you hate people who ask a bunch of questions? ;)

     

    I just tried to post in the philosophy forum, and I could not do so. ('Twill be my second post, after the intro.)

     

    Can I not reply to a sticky post? (It was the thread about philosophical reads.)

     

    Anyway, just wonderin'.

     

    Thanks.

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