04-24-2015, 08:35 PM
Expense is a consideration early in the scenario, and also in the early developmental stages of colonies on the Periphery, where colonies have to pass through a bottleneck in resources after arrival. If a new system includes a gas giant with an extensive ring system and a dry, hot venus-like planet, the ring system would be a better target for early colonisation efforts since there is a lot of volatiles there. Terraforming a Venus-like world takes longer, and would generally take the most economical route, although this may not be such a big consideration once civilisation is well-established in the system.