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-   -   Useless Facts (depending on your point-of-view) (http://cellar.org/showthread.php?t=32234)

John Sellers 10-10-2016 01:17 AM

Useless Facts (depending on your point-of-view)
 
The estimated diameter of the observable universe is 93 billion light-years.

Useless to me. Maybe not to an astrophysicist. Interesting though.

Griff 10-10-2016 07:35 AM

Wouldn't want to walk it. /surveyor

Gravdigr 10-10-2016 02:30 PM

A lightyear is about 5.88 trillion miles.

All ya gotta do is multiply 5.88 trillion times 93 billion.

Let's see now...

5,880,000,000,000 x 93,000,000,000 = 5,468,400,000,000,000,000,000,000 miles

Did I do that right? I think I got lost in all those zeroes.

xoxoxoBruce 10-10-2016 02:32 PM

Close enough.

Gravdigr 10-10-2016 02:38 PM

I think I ended up with an extra zero.

Gravdigr 10-10-2016 02:40 PM

A ping pong ball should weigh 2.7 grams.

xoxoxoBruce 10-10-2016 02:40 PM

Horseshoes and hand grenades...

John Sellers 10-10-2016 03:38 PM

Quote:

Originally Posted by Gravdigr (Post 970827)
A lightyear is about 5.88 trillion miles.

All ya gotta do is multiply 5.88 trillion times 93 billion.

Let's see now...

5,880,000,000,000 x 93,000,000,000 = 5,468,400,000,000,000,000,000,000 miles

Did I do that right? I think I got lost in all those zeroes.

According to Wolfram Alpha, 1 light-year = 5.879 trillion miles, so yeah,,, close enuf. 5.879 trillion times 93 billion actually = 546 sextillion miles, which is still an approximation.

DanaC 10-10-2016 03:45 PM

When I was growing up we were taught the long scale billion definition (a million million), though it had already become standard to use the short scale in official figures.




ETA: according to Wiki the short scale was officially adopted by the UK government in '74, when I was 2, so it must have coexisted for a few years after that

John Sellers 10-10-2016 03:47 PM

Millions of rickrolls have earned Rick Ashley just $12 .

Undertoad 10-10-2016 03:55 PM

...the lesson of which is, as usual, don't sell the rights to your recorded material and don't make a shitty record deal so you can have a hit single

lumberjim 10-10-2016 11:09 PM

Useless to you, but not useless to me:

The average person files a car insurance claim every 17.9 years.

Clodfobble 10-10-2016 11:24 PM

I'm a shitty driver.

John Sellers 10-10-2016 11:40 PM

Quote:

Originally Posted by Clodfobble (Post 970891)
I'm a shitty driver.

Oh. So, yer really an Asian? :D

captainhook455 10-11-2016 07:48 AM

Exxum Ohio is 12 miles SSE of Cleveland.

tarheel


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