Fumarole on p18 biblock hassler
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Fumarole on p18 biblock hassler  
View static image  
Pattern type  Oscillator  

Number of cells  61  
Bounding box  23×18  
Period  90  
Mod  90  
Heat  40.27  
Volatility  0.82  
Strict volatility  0.01  
Discovered by  Unknown  
Year of discovery  Unknown  
 
 

Fumarole on p18 biblock hassler is a period 90 oscillator that is composed of a fumarole and p18 biblock hassler. Although it is composed of two oscillators of smaller periods (5 and 18 respectively), it is considered nontrivial because it contains a single cell that is alive in generation 83 and dead in the other 89 phases of the oscillator. In terms of its 61 cells, it is the smallest known nontrivial period 90 oscillator.