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4b3o4b2$2bobobobo2b2$obo5bobo$o9bo$obo5bobo2$2bobobobo2b2$4b3o! #C [[ THEME 6 GRID GRIDMAJOR 0 THUMBLAUNCH AUTOSTART ]] #C [[ THUMBSIZE 2 GPS 2 ]]
Pattern type Oscillator
Number of cells 24
Bounding box 13×13
Period 3
Mod 3
Heat 37.3
Volatility 0.93
Discovered by Hartmut Holzwart
Year of discovery 1993

Star is a period 3 oscillator that was found by Hartmut Holzwart on February 16, 1993.[1] It is one of the few known oscillators that is a polyomino in one of its phases. In August, 2004 Jason Summers found a 20-glider synthesis of this oscillator.[2]

Image gallery

Star is named after generation 2 of its evolution
A related period 3 oscillator. Any or all of the blocks are optional; if present they are lethargic beacons.
RLE: here

See also


  1. Dean Hickerson's oscillator stamp collection.
  2. Jason Summers' jslife pattern collection.

External links

  • Star at Eric Weisstein's Treasure Trove of Life
  • Star at the Life Lexicon