Thread: physics news
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Old 16-08-01, 05:45 PM   #17
nanook
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okay, i understand the photons, mikey.

i guess i just wonder how many of these streams of photons have actually died. when the star went supernova, that many millions of years ago.

so............let's say, eclectica, that the stream, ray, whatever, does span the entire one million years.

we see the first inklings of it.

and continue seeing the same light, from the same star, because this stream has an entire length of one million years.

so, indeed, one day, some of our constellations will cease to exist.

although, that could be another million years in the future, depending on the size and distance of these stars.

if you guys keep answering me, i'm going to eventually whip out all my books and start scanning and we'll have an astronomy class going here.

cause, i could certainly go on and on and on........

kinda like a stream of photons from five million light years ago.

okay..........how many actual years is equal to one light year.

then we can actually fathom how far away these stars really are, eh?
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