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Boosted by cstanhope@social.coop ("Your weary 'net denizen"):
LIGO@scicomm.xyz wrote:

Happy birthday #GW150914!

#OTD 11 years ago, we caught our first gravitational wave, and founded a new type of astronomy

A decade later, we now have hundreds of observations!

#Astrodon🎂

Classic plot showing GW150914. Filtered data from LIGO Livingston and LIGO Hanford are shown, both show the characteristic signal of a binary black hole. Crucially, data from the two observatories agree, indicating a real signal.