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Old 2009-08-17, 03:49   #1
davieddy
 
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Default When did Rock'n'Roll begin?

Suggestion:
http://www.youtube.com/watch?v=PR6pH...eature=related
or
http://www.youtube.com/watch?v=Xf00r-0tHjM&feature=fvw
and if you need further convincing:
http://www.youtube.com/watch?v=zKxj3...eature=related

David

Last fiddled with by davieddy on 2009-08-17 at 04:15
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Old 2009-08-17, 04:29   #2
Uncwilly
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This is as answerable as when life begins; it depends on your definition.

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Old 2009-08-17, 04:32   #3
retina
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Quote:
Originally Posted by davieddy View Post
When did Rock'n'Roll begin?
Hmm, let's see now. Rocks were invented ~13GY ago and they rolled almost at the same time, so I would guess ~13GY ago?
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Old 2009-08-17, 06:47   #4
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Quote:
Originally Posted by retina View Post
Hmm, let's see now. Rocks were invented ~13GY ago and they rolled almost at the same time, so I would guess ~13GY ago?
Rocks weren't "invented".
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Old 2009-08-17, 07:17   #5
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Quote:
Originally Posted by 10metreh View Post
Rocks weren't "invented".
Okay --

Rocks began several gigayears ago (not 13 GY -- it took time for the earliest supernovae's spew of elements heavier than helium to begin coalescing -- maybe 12 GY ago) and they began rolling shortly thereafter.
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Old 2009-08-17, 07:40   #6
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Quote:
Originally Posted by cheesehead View Post
Okay --

Rocks began several gigayears ago (not 13 GY -- it took time for the earliest supernovae's spew of elements heavier than helium to begin coalescing -- maybe 12 GY ago) and they began rolling shortly thereafter.
So the Q becomes: When were POP II stars first formed? Since presumably the planets (with the rocks) would have also formed around the stars at the same time.
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Old 2009-08-17, 09:30   #7
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Quote:
Originally Posted by retina View Post
So the Q becomes: When were POP II stars first formed? Since presumably the planets (with the rocks) would have also formed around the stars at the same time.
Hey! You were right after all. The oldest POP II stars, such as http://en.wikipedia.org/wiki/HE0107-5240 and http://en.wikipedia.org/wiki/CS22892-052_(star) are estimated to be 13 GY.

I'd forgotten that there are three populations. (http://en.wikipedia.org/wiki/Metallicity)
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Old 2009-08-17, 10:43   #8
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Quote:
Originally Posted by cheesehead View Post
Hey! You were right after all.
I think that is the first time ever in my life. Excuse me for a moment while I celebrate.

.
.
.

Okay, I'm back now, I did a mini Rock'n'Roll celebratory dance.

Last fiddled with by retina on 2009-08-17 at 10:45 Reason: My colleagues are now all looking at me with pity in their eyes.
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Old 2009-08-25, 14:23   #9
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>When did Rock'n'Roll begin?
I suggest : Birth of Rick Astley.
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Old 2009-08-25, 20:01   #10
cheesehead
 
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Quote:
Originally Posted by retina View Post
I think that is the first time ever in my life. Excuse me for a moment while I celebrate.
I shall not soon again doubt you.

Last fiddled with by cheesehead on 2009-08-25 at 20:03 Reason: But _I_ shall look at you with admiration, dance or no.
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