Our civilization's lifetime needs to be considered in obtaining a realistic estimate of the number of civilizations that we can communicate with in our galaxy.

Question

Quizplus · Accepted Answer

The lifetime of a civilization influences the probability of it being able to communicate with us. If we assume that civilizations exist for a relatively short time, then the likelihood of us being able to communicate with one at any given time is reduced. Therefore, taking the lifetime of civilizations into account is important for estimating the number of civilizations we can communicate with.

Our Civilization's Lifetime Needs to Be Considered in Obtaining a Realistic