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Science
In reply to the discussion: Ok, here's one for the cosmologists [View all]marybourg
(12,540 posts)1. So what's the question?
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What makes you think we would know the "current" nature even if we saw the light instaneously?
Cary
Feb 2013
#6
The OP was a question about not knowing the true nature because we "see" light through time & space.
Cary
Feb 2013
#39
All true! We can't know the current nature of the star--only it's past nature. That said...
Moonwalk
Feb 2013
#5
I find the energy transfer time in the sun (and all stars) to be even more interesting...
DreamGypsy
Feb 2013
#15
Some very important knowledge about the cosmos is based on information ~13.5 billion years old.
DreamGypsy
Feb 2013
#13