Jet from Neutron-Star Merger GW170817 Appeared to Move Four Times Faster than Light

Kavanagh
Kavanagh
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Topic 216333
DanNeely
DanNeely
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For anyone who needs an

For anyone who needs an explanation of how something can appear to be moving faster than light (spoiler alert, they're not):

 

https://arstechnica.com/science/2018/09/behind-the-headlines-why-things-look-like-theyre-moving-faster-than-light/

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