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So what's the question? marybourg Feb 2013 #1
question clarice Feb 2013 #4
Actually we can go back a lot further than 1 million years. Cary Feb 2013 #8
google "Hertzsprung-Russell (H-R) diagram" marybourg Feb 2013 #12
Just googled it. WOW !!!! Thanks clarice Feb 2013 #21
Sounds about right. cleanhippie Feb 2013 #2
What makes you think we would know the "current" nature even if we saw the light instaneously? Cary Feb 2013 #6
We could take that conversation to the philosophy group. cleanhippie Feb 2013 #31
There's not that much difference between philosophy and physics these days. n/t Cary Feb 2013 #37
How so? cleanhippie Feb 2013 #40
Ever heard of Schrodinger's Cat? n/t Cary Feb 2013 #45
The OP was a question about not knowing the true nature because we "see" light through time & space. Cary Feb 2013 #39
So, following this logic... clarice Feb 2013 #7
Certainly possible, and depending on its age as we see it... cleanhippie Feb 2013 #32
There are a lot of things we will probably never know. n/t Cary Feb 2013 #3
All true! We can't know the current nature of the star--only it's past nature. That said... Moonwalk Feb 2013 #5
boggles the mind, doesn't it! take it a step further.... NRaleighLiberal Feb 2013 #9
correct. Viva_La_Revolution Feb 2013 #10
And you are following Quantum Mechanics? Sekhmets Daughter Feb 2013 #11
I find the energy transfer time in the sun (and all stars) to be even more interesting... DreamGypsy Feb 2013 #15
Very cool....*head explodes* clarice Feb 2013 #17
Yes it is wicked cool. Sekhmets Daughter Feb 2013 #19
Right. And if the sun woke up and decided it was tired... DreamGypsy Feb 2013 #34
Fusion, fusion, fusion... DreamGypsy that is hilarious! Sekhmets Daughter Feb 2013 #35
The Universe in 96 Beers... DreamGypsy Feb 2013 #43
I shall begin this weekend... Sekhmets Daughter Feb 2013 #46
That IS a great series! cleanhippie Feb 2013 #41
Hey cleanhippie, Sekhmets Daughter Feb 2013 #42
Not sure what you mean. cleanhippie Feb 2013 #44
They have updated Sekhmets Daughter Feb 2013 #47
Ahh, I see. No, I haven't seen a new episode in a few months or more. cleanhippie Feb 2013 #48
You're welcome! n/t Sekhmets Daughter Feb 2013 #49
You are reffering to the... clarice Feb 2013 #20
Yep. Sekhmets Daughter Feb 2013 #22
I might be wrong, but clarice Feb 2013 #24
He had trouble believing his own theories.... Sekhmets Daughter Feb 2013 #27
Planck and Einstein DreamGypsy Feb 2013 #36
You are really enjoying yourself... Sekhmets Daughter Feb 2013 #38
lol....believe me, I'm not studying it, I would just like to be clarice Feb 2013 #26
Ckarice, you're too cute... Sekhmets Daughter Feb 2013 #28
You know many people who sit around talking Quantum Mechanics? clarice Feb 2013 #29
Welcome to DU Sekhmets Daughter Feb 2013 #30
Thanks.....you ROCK !!! clarice Feb 2013 #33
Some very important knowledge about the cosmos is based on information ~13.5 billion years old. DreamGypsy Feb 2013 #13
Aw heck...just hop through a worm hole and travel a million light years in a sec and take a look... Sancho Feb 2013 #14
lol....and what's funny is... clarice Feb 2013 #18
Try figuring out quantum entanglement...so cool. clarice Feb 2013 #16
Considering a star, like our sun, has a lifespan of 8 billion years Confusious Feb 2013 #23
Yes, I used 1 million as a conversation starter. clarice Feb 2013 #25
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