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The cheaper alternative to having 2 spacecrafts connected by a cable is to replace one spacecraft with a counterweight. However, having 2 identical spacecrafts
by adrian_b 2mo ago
The cheaper alternative to having 2 spacecrafts connected by a cable is to replace one spacecraft with a counterweight.
However, having 2 identical spacecrafts would be more reliable, as there would be more chances for at least one of them to remain completely functional over the entire duration of the journey.