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

Joined: 29 Oct 06
Posts: 118
Credit: 85,760,018
RAC: 6,748
Topic 216333
Joined: 4 Sep 05
Posts: 1,287
Credit: 1,480,494,092
RAC: 984,153

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):

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.