Scaling things down to size

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Scaling things down to size

Post  DR on Fri Mar 25, 2011 8:17 pm




Here is another non video graphic that really shows the gigantic scale of the largest stars yet discovered. You may want to save this pic so you can see the whole thing at once.

http://upload.wikimedia.org/wikipedia/commons/c/cc/Star-sizes.jpg


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Re: Scaling things down to size

Post  DR on Fri Mar 25, 2011 8:49 pm

The largest star radius known is VY Canis Majoris.
If the Sun were replaced by VY Canis Majoris, its radius might extend beyond the orbit of Saturn. Light would take more than 2.7 hours to travel around the star's circumference, compared to 14.5 seconds for the Sun, and 7 times in one second for the Earth. It would take 7 Trillion Earths to fill the volume of VY Canis Majoris.

If the Earth were to be represented by a sphere 1/3 of an inch in diameter, the Sun would be represented as a sphere with a diameter of 3½ ft. At these scales, VY Canis Majoris would have a diameter of approximately 1.43 mi.



Cited in part from Wikipedia.

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Re: Scaling things down to size

Post  DR on Thu Apr 14, 2011 9:44 pm

Here is a scale for ya.

The national debt is 14.2 trillion dollars. If each of those dollars represented 1 second of time the debt would represent well over 425,000 years.

US debt clock

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Re: Scaling things down to size

Post  TOvA~ on Fri Apr 22, 2011 7:11 pm

So interesting Doc. Especially the debt thing....WOW!

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Re: Scaling things down to size

Post  DR on Sat Apr 23, 2011 8:05 am

I agree. scaling is the only way you can wrap your mind around such LARGE things.

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Re: Scaling things down to size

Post  TOvA~ on Sat Apr 23, 2011 12:47 pm

It is super helpful, I think!
Thanks for taking the time to explain these big things to my small brain...lol

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