Originally Posted by 420

Are dinosaurs complex and intelligent? They were here for 825 times longer than humans have been here. At least according to google - dinosaurs 165 million years - humans 200,000 years. Point is, dinos were never going to leave earth even if they stayed on the planet for it's entire existence.

I think humans are probably an anomaly. Perhaps a handful of similar lifeforms out there capable of leaving their home planet. Even fewer with the right materials and motive to leave.