A tagalong (or less commonly a tugalong) is an object that is not a spaceship by itself, but can be attached to one or more spaceships to form a larger spaceship. For example, Canada goose is a spaceship made by attaching a tagalong to the back of a glider. Well-known tagalongs include Schick engine, fly, sidecar and sparky.
A pushalong is a tagalong that is located at the front of the spaceship that it is attached to. Pushalong 1 is an example that was found by David Bell in 2005 that can be attached to the front of a middleweight spaceship. Another pushalong can be seen at 114P6H1V0.
Still life tagalong
A still life tagalong is a tagalong that takes the form of a still life in at least one phase. An example is shown to the right in which the tagalong looks like a pond. Certain other such reactions, such as a block being pulled by two sparkers of speed (1,0)c/p (p for period, p≥4), are known.
- "Tugalong". The Life Lexicon. Stephen Silver. Retrieved on May 14, 2009.
- "Pushalong". The Life Lexicon. Stephen Silver. Retrieved on May 22, 2009.
- "Still life tagalong". The Life Lexicon. Stephen Silver. Retrieved on May 22, 2009.
- Matthias Merzenich (July 26, 2019). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums