Entropy and thermodynamics exist. It would be impossible to colonize every system we see without the tremendous heat energy expenditure needed to do so being ob

Entropy and thermodynamics exist. It would be impossible to colonize every system we see without the tremendous heat energy expenditure needed to do so being obvious, and obviously not natural. The background temperature of space is so regular and predictable that any deviation is noticeable. Barring some magical woo-woo technology that someone will probably insist must exist because we foolish humans are simply too stupid to understand anything, this isn't something you can just cheat. There ain't no stealth in space[0]. https://www.projectrho.com/public_html/rocket/spacewardetect.php#nostealth https://www.projectrho.com/public_html/rocket/spacewardetect...