Blockies! Comment if you get the reference!
Hint: Mars.
Totally flummoxed. Will have to fall on your mercy in explaining.
I quite agree.
https://books.google.com/books?id=tBc_AMMfAk4C&pg=PA461&lpg=PA461&dq=Blockies!+mars&source=bl&ots=OjQM2VWHco&sig=x9m1S6Yhke893jte12BaAiYolUg&hl=en&sa=X&ved=0ahUKEwjF-urO5q3ZAhWhhOAKHZMVCCcQ6AEIOzAE#v=onepage&q=Blockies!%20mars&f=false
http://www.thehiddenmission.com/BullittsIRviews/marsinfraredimaging.htm