Tagalong

A tagalong (or less commonly a tugalong[1]) 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 strict tagalong is one that does not affect the tagged spaceship in any way. For example, the fireship is not a strict tagalong, but Wainwright's tagalong is.

Pushalong

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.[2] Another pushalong can be seen at 114P6H1V0.

Still life tagalong
A still life tagalong
RLE: here

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.[3] 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.[4]

gollark: Sometimes I plug my phone into my computer and use `scrcpy` to type unreasonably fast on it, for text conversations.
gollark: I thought it was 115. Oh no.
gollark: It's probably because something something access to paper/computers for temporary storage.
gollark: I can commit numbers to *long-term* memory really easily, but short-term is hard.
gollark: I mean, I have 10 and the thing says that's 59th percentile.

See also
  • List of tagalongs

References
  1. "Tugalong". The Life Lexicon. Stephen Silver. Retrieved on May 14, 2009.
  2. "Pushalong". The Life Lexicon. Stephen Silver. Retrieved on May 22, 2009.
  3. "Still life tagalong". The Life Lexicon. Stephen Silver. Retrieved on May 22, 2009.
  4. Matthias Merzenich (July 26, 2019). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums
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