Quasar

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Quasar
x = 29, y = 29, rule = B3/S23 10b3o3b3o2$8bo4bobo4bo$8bo4bobo4bo$8bo4bobo4bo$10b3o3b3o2$8b3o7b3o$2b 3o2bo4bo3bo4bo2b3o$7bo4bo3bo4bo$o4bobo4bo3bo4bobo4bo$o4bo17bo4bo$o4bo 2b3o7b3o2bo4bo$2b3o19b3o2$2b3o19b3o$o4bo2b3o7b3o2bo4bo$o4bo17bo4bo$o4b obo4bo3bo4bobo4bo$7bo4bo3bo4bo$2b3o2bo4bo3bo4bo2b3o$8b3o7b3o2$10b3o3b 3o$8bo4bobo4bo$8bo4bobo4bo$8bo4bobo4bo2$10b3o3b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 12 THUMBSIZE 2 GPS 4 WIDTH 480 HEIGHT 480 ]]
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Pattern type Oscillator
Number of cells 144
Bounding box 31 × 31
Period 3 (mod: 3)
Heat 128
Volatility 0.73 | 0.73
Kinetic symmetry *c
Rotor type Pulsar
Discovered by Robert Wainwright
Year of discovery 1971

Quasar is a period-3 oscillator that was found by Robert Wainwright in August 1971,[1][2] and is just the second smallest of an extensible series of p3 oscillators (first being the pulsar) built using pulsar quadrants which are shifted with respect to each other.

Here are the next 2 oscillators in the series:

x = 45, y = 45, rule = B3/S23 18b3o3b3o2$16bo4bobo4bo$16bo4bobo4bo$16bo4bobo4bo$18b3o3b3o2$16b3o7b3o $10b3o2bo4bo3bo4bo2b3o$15bo4bo3bo4bo$8bo4bobo4bo3bo4bobo4bo$8bo4bo17bo 4bo$8bo4bo2b3o7b3o2bo4bo$10b3o19b3o2$8b3o23b3o$2b3o2bo4bo19bo4bo2b3o$ 7bo4bo19bo4bo$o4bobo4bo19bo4bobo4bo$o4bo33bo4bo$o4bo2b3o23b3o2bo4bo$2b 3o35b3o2$2b3o35b3o$o4bo2b3o23b3o2bo4bo$o4bo33bo4bo$o4bobo4bo19bo4bobo 4bo$7bo4bo19bo4bo$2b3o2bo4bo19bo4bo2b3o$8b3o23b3o2$10b3o19b3o$8bo4bo2b 3o7b3o2bo4bo$8bo4bo17bo4bo$8bo4bobo4bo3bo4bobo4bo$15bo4bo3bo4bo$10b3o 2bo4bo3bo4bo2b3o$16b3o7b3o2$18b3o3b3o$16bo4bobo4bo$16bo4bobo4bo$16bo4b obo4bo2$18b3o3b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 10 THUMBSIZE 2 GPS 4 WIDTH 540 HEIGHT 540 AUTOSTART LOOP 3 ]]
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RLE: here Plaintext: here
x = 61, y = 61, rule = B3/S23 26b3o3b3o2$24bo4bobo4bo$24bo4bobo4bo$24bo4bobo4bo$26b3o3b3o2$24b3o7b3o $18b3o2bo4bo3bo4bo2b3o$23bo4bo3bo4bo$16bo4bobo4bo3bo4bobo4bo$16bo4bo 17bo4bo$16bo4bo2b3o7b3o2bo4bo$18b3o19b3o2$16b3o23b3o$10b3o2bo4bo19bo4b o2b3o$15bo4bo19bo4bo$8bo4bobo4bo19bo4bobo4bo$8bo4bo33bo4bo$8bo4bo2b3o 23b3o2bo4bo$10b3o35b3o2$8b3o39b3o$2b3o2bo4bo35bo4bo2b3o$7bo4bo35bo4bo$ o4bobo4bo35bo4bobo4bo$o4bo49bo4bo$o4bo2b3o39b3o2bo4bo$2b3o51b3o2$2b3o 51b3o$o4bo2b3o39b3o2bo4bo$o4bo49bo4bo$o4bobo4bo35bo4bobo4bo$7bo4bo35bo 4bo$2b3o2bo4bo35bo4bo2b3o$8b3o39b3o2$10b3o35b3o$8bo4bo2b3o23b3o2bo4bo$ 8bo4bo33bo4bo$8bo4bobo4bo19bo4bobo4bo$15bo4bo19bo4bo$10b3o2bo4bo19bo4b o2b3o$16b3o23b3o2$18b3o19b3o$16bo4bo2b3o7b3o2bo4bo$16bo4bo17bo4bo$16bo 4bobo4bo3bo4bobo4bo$23bo4bo3bo4bo$18b3o2bo4bo3bo4bo2b3o$24b3o7b3o2$26b 3o3b3o$24bo4bobo4bo$24bo4bobo4bo$24bo4bobo4bo2$26b3o3b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 8 THUMBSIZE 2 GPS 4 WIDTH 540 HEIGHT 540 AUTOSTART LOOP 3 ]]
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RLE: here Plaintext: here

Like the pulsar, each quadrant can be made with a traffic light predecessor. This gives these predecessors:

x = 121, y = 108, rule = B3/S23 88b3o3b3o$88bobo3bobo$88b3o3b3o4$86b3o7b3o$86bobo7bobo$16b3o3b3o55b3o 3b3o7b3o3b3o$16bobo3bobo55bobo19bobo$16b3o3b3o55b3o19b3o4$16b3o3b3o55b 3o19b3o$16bobo3bobo55bobo19bobo$16b3o3b3o55b3o3b3o7b3o3b3o$86bobo7bobo $86b3o7b3o4$88b3o3b3o$88bobo3bobo$88b3o3b3o27$88b3o3b3o$88bobo3bobo$ 88b3o3b3o4$86b3o7b3o$86bobo7bobo$16b3o3b3o55b3o3b3o7b3o3b3o$16bobo3bob o55bobo19bobo$16b3o3b3o55b3o19b3o4$14b3o7b3o51b3o23b3o$14bobo7bobo51bo bo23bobo$8b3o3b3o7b3o3b3o39b3o3b3o23b3o3b3o$8bobo19bobo39bobo35bobo$8b 3o19b3o39b3o35b3o4$6b3o23b3o35b3o39b3o$6bobo23bobo35bobo39bobo$3o3b3o 23b3o3b3o23b3o3b3o39b3o3b3o$obo35bobo23bobo51bobo$3o35b3o23b3o51b3o4$ 3o35b3o23b3o51b3o$obo35bobo23bobo51bobo$3o3b3o23b3o3b3o23b3o3b3o39b3o 3b3o$6bobo23bobo35bobo39bobo$6b3o23b3o35b3o39b3o4$8b3o19b3o39b3o35b3o$ 8bobo19bobo39bobo35bobo$8b3o3b3o7b3o3b3o39b3o3b3o23b3o3b3o$14bobo7bobo 51bobo23bobo$14b3o7b3o51b3o23b3o4$16b3o3b3o55b3o19b3o$16bobo3bobo55bob o19bobo$16b3o3b3o55b3o3b3o7b3o3b3o$86bobo7bobo$86b3o7b3o4$88b3o3b3o$ 88bobo3bobo$88b3o3b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 4 THUMBSIZE 2 GPS 4 WIDTH 540 HEIGHT 540 AUTOSTART PAUSE 2 T 14 PAUSE 2 LOOP 15 ]]
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RLE: here Plaintext: here

The components making up quasars and their relatives do not necessarily need four symmetrical parts stabilising each other. The following is a sample stabilised wick with one 90-degree turn, and above it the smallest version of this wick (which is a 36P3).

x = 98, y = 47, rule = B3/S23 4bo39bo7bo39bo$2b5o35b5o3b5o35b5o$bo5bo2b3o28bo5bobo5bo28b3o2bo5bo$obo bo2bo32bobobo2bobo2bobobo32bo2bobobo$obo4bobo4bo25bobo4bobo4bobo25bo4b obo4bobo$bo2b2o3bo4bo26bo2b2o5b2o2bo26bo4bo3b2o2bo$9bo4bo67bo4bo$10b3o 71b3o2$12b3o67b3o$10bo4bo2b3o55b3o2bo4bo$10bo4bo65bo4bo$10bo4bobo4bo 51bo4bobo4bo$17bo4bo51bo4bo$12b3o2bo4bo51bo4bo2b3o$18b3o55b3o2$20b3o 51b3o$18bo4bo2b3o39b3o2bo4bo$18bo4bo49bo4bo$18bo4bobo4bo35bo4bobo4bo$ 25bo4bo35bo4bo$20b3o2bo4bo35bo4bo2b3o$26b3o39b3o2$28b3o35b3o$26bo4bo2b 3o23b3o2bo4bo$26bo4bo33bo4bo$26bo4bobo4bo19bo4bobo4bo$33bo4bo19bo4bo$ 28b3o2bo4bo19bo4bo2b3o$34b3o23b3o2$36b3o19b3o$34bo4bo2b3o7b3o2bo4bo$ 34bo4bo17bo4bo$34bo4bobo4bo3bo4bobo4bo$41bo4bo3bo4bo$36b3o2bo4bo3bo4bo 2b3o$42b3o7b3o2$44b3o3b3o$42bo4bobo4bo$42bo4bobo4bo$42bo4bobo4bo2$44b 3o3b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 10 THUMBSIZE 2 GPS 4 WIDTH 1000 HEIGHT 540 AUTOSTART LOOP 3 ]]
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RLE: here Plaintext: here

The quasar first appeared semi-naturally in April 2015.[3]

See also

References

  1. ↑ Robert Wainwright (September 1971). Lifeline, vol 3, page 4.
  2. ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  3. ↑ gameoflifeboy (April 5, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums
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