55P9H3V0
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| 55P9H3V0 | |||||||||||
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| Pattern type | Spaceship | ||||||||||
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| Number of cells | 55 | ||||||||||
| Bounding box | 21×13 | ||||||||||
| Direction | Orthogonal | ||||||||||
| Period | 9 | ||||||||||
| Mod | 9 | ||||||||||
| Speed | c/3 | ||||||||||
| Speed (unsimplified) | 3c/9 | ||||||||||
| Heat | 40.4 | ||||||||||
| Discovered by | Paul Tooke | ||||||||||
| Year of discovery | 2001 | ||||||||||
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55P9H3V0 is a c/3 orthogonal spaceship discovered by Paul Tooke in June 2001. It is the smallest known spaceship with an unsimplified speed of 3c/9. On September 19, 2020, Goldtiger997 found a 271-glider synthesis for this spaceship, making it the first period-9 spaceship to be synthesized.[1]
References
- ↑ Goldtiger997 (September 19, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
External links
Categories:
- Patterns
- Spaceships with 55 cells
- Periodic objects with minimum population 55
- Patterns with 55 cells
- Patterns found by Paul Tooke
- Patterns found in 2001
- Patterns that can be constructed with between 200 and 299 gliders
- Spaceships
- Spaceships with period 9
- Orthogonal spaceships
- Spaceships with speed c/3
- Spaceships with unsimplified speed 3c/9
- Spaceships with heat 40
- Spaceships with mod 9
- Patterns with bilateral orthogonal symmetry
- Unnamed periodic objects
