Part 2/9:
Traditionally, theories about extraterrestrial life assume that advanced civilizations will develop technologies enabling them to traverse vast distances in space relatively easily. However, this line of thinking may be flawed. Instead, what if space is inherently difficult to explore, regardless of technological advancements? This article posits that civilizations may expand through space at a snail’s pace, akin to how mere humans first navigated the oceans.
To understand this, let’s draw a parallel with humanity's seafaring history.
The Available Real Estate in the Galaxy