In this case I don't know if your skepticism is warranted.
1st: Paper said that the waves are redshifted to a certain degree (it's in the abstract) [1], ergo 1.3 billion light-years away in space-time. I'm not thinking you want to be so fundamentally skeptical.
In this case I don't know if your skepticism is warranted.
1st: Paper said that the waves are redshifted to a certain degree (it's in the abstract) [1], ergo 1.3 billion light-years away in space-time. I'm not thinking you want to be so fundamentally skeptical.
2nd: It's in Wikipedia now https://en.wikipedia.org/wiki/Binary_black_hole#Observation so it's pretty much fact.
You may choose to believe 1st or 2nd piece of evidence.
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[1] https://dcc.ligo.org/public/0122/P150914/014/LIGO-P150914_De...