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Message Subject Betelgeuse is dimming
Poster Handle FoxyLab
Post Content
It takes about 642 years for the star's light to get to Earth so any sign that it might be going supernova that we are seeing now, actually happened in 1377.

'If Betelgeuse goes supernova, the blast will take 20,000-100,000 years to reach us




dood, wasting time discussing this
not gonna happen in our lifetime
so who gives dafuq?

goodnews
 Quoting: Anonymous Coward 57897053


blast, but not gamma rays (with light speed).
 Quoting: FoxyLab


dude, 642 light years away
at light speed it will take 642 years anything to reach us
so...
zzzz
 Quoting: Anonymous Coward 57897053



)))))))))))
If it exploded 642 years ago, then the light from the flash will arrive tomorrow, and with it gamma rays will come


I taught physics back in the Soviet school ;-)
 
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