Kok's galaxy

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Kok's galaxy
2bo2bobob$2obob3ob$bo6bo$2o5bob2$bo5b2o$o6bob$b3obob2o$bobo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 4 THUMBSIZE 2 ]]
Pattern type Oscillator
Number of cells 28
Bounding box 13×13
Period 8
Mod 8
Heat 39
Volatility 1.00
Strict volatility 1.00
Discovered by Jan Kok
Year of discovery 1971

Kok's galaxy is a volatility-1 period 8 oscillator found by Jan Kok in 1971. In September 2003 Jason Summers found a 12-glider synthesis of this oscillator.[1]

It is notable for its uses as a sparker, as seen below:

x = 72, y = 56, rule = B3/S23 4bob2o$4b2obo3$64b2obo$14b2o48bob2o$13b2o$15bo$2o5b2o$2o5b2o47b2o$57b 2o$4b2o50bo$4b2o57b2o5b2o$63b2o5b2o2$66b2o$66b2o$22bo3bo$21bo4b2o$20b 2o5b2o2b2o$21b2o4bo3b2o$22bo22bo3bo$44b2o4bo$39b2o2b2o5b2o$39b2o3bo4b 2o$49bo11$32bo$33b2o$32b2o2$39bo$37b2o$38b2o5$24bo2bobo$22b2obob3o$23b o6bo$22b2o5bo$35b2o$23bo5b2o3bobo$22bo6bo5bo$23b3obob2o$23bobo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 WIDTH 720 HEIGHT 480 ]]
A p120 HWSS gun using Kok's galaxy and two Simkin glider guns.
(click above to open LifeViewer)
RLE: here Plaintext: here

Kok's galaxy serves as the logo of Golly.

See also

References

  1. Jason Summers' jslife pattern collection.

External links

  • 28P8.1 at Heinrich Koenig's Game of Life Object Catalogs