Probably posted here before, and I saw this a few months back. In case you never saw it, it's really good.
http://htwins.net/scale/index.html
http://htwins.net/scale/index.html
The Scale of the Universe
- Thread starter Merlin5
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Interesting, tho doesn't really do a great job imo of showing just how small our galaxy is compared to the scale of the universe - which is kinda like the same scale as the planck length upto the size of the milkyway all over again. (ok slightly exagerated but its still pretty small compared to the universe as a whole).
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That reminds me of an interseting thread we had on the subject:
http://forums.overclockers.co.uk/showthread.php?t=18109787
http://forums.overclockers.co.uk/showthread.php?t=18109787
Soldato
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Was going to say. Observable universe != age of universe. I know that and I'm not even a scientist
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Man of Honour
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Giant earthworms are how long? 
That reminds me of an interseting thread we had on the subject:
http://forums.overclockers.co.uk/showthread.php?t=18109787
Some great videos in there. So, VY Canis Majoris is apparently the largest known star in our solar system at 1.7 billion miles. An airplane travelling at 900 km/h would take 1,100 years to circle it once. That's just mind boggling. I suppose it's then conceivable that there could be stars or planets which would dwarf that. Perhaps single stars trillions or zillions of miles across. I think what would make super giant stars more awesome is if they were inhabited. As empty useless stars, earth is still superior, as opposed to the concept that if a star dwarfs earth that somehow makes us insignificant. Just my thoughts really.
Associate
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Wow, this sort of thing is awe-inspiring and really hammers home how truly insignificant the rest of you really are...
Soldato
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It is interesting.. but why show radio waves? Radio waves are completely meaningless in this scale and it makes me think think the person that made this site doesn't quite 'get' things.
Radio waves are electro magnetic radiation and bare no relation to this scale of physical size which is the theme of this site.
Radio waves are electro magnetic radiation and bare no relation to this scale of physical size which is the theme of this site.
It may well be infinite, but there's only so much which is actually observable.
Soldato
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Killjoy, if it weren't for the electromagnetic spectrum where would we be?
Seen it before, but it sends a shiver down your spine every time...
that's what she said.
Associate
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Giant earthworms are how long?
lol, that was my first thought too when i saw it.
I think you'll find the sun(sol) is the largest star in our solar system (and the only one).