Take the question of intelligence lurking throughout the cosmos. This topic arises when we look for life beneath the martian surface or perform SETI searches. We assume life is out there, but we don’t know its limits. Some think Earth’s biosphere is a single interconnected organism named Gaia. Might that be true elsewhere? Could Jupiter be an unrecognized life-form?
Astronomy leads us to deep issues. Many are so profound, we can’t even handle them.