Old 25th Jan 2019, 07:42
  #378 (permalink)  
PDR1
 
Join Date: Nov 2015
Location: Farnham, Surrey
Posts: 1,196
Originally Posted by Eutychus View Post
Just a minor detail, the article says they were found thanks to thermal IR detection.

Erm...what other kind of IR detection do you think there is??

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