Answer:
d.) "What would life on other planets mean for us?"
Step-by-step explanation:
This question is considered philosophical because it deals with the broader implications and meaning of the existence of life on other planets. It goes beyond scientific inquiry and explores the potential impact and significance of such a discovery on human beings and our understanding of ourselves and our place in the universe.
When contemplating this question, one might consider various perspectives and engage in philosophical discussions about the nature of life, our relationship with other intelligent beings, the potential for cultural exchange or conflict, and the existential questions it raises.
Overall, this question invites us to reflect on the deeper philosophical implications of the existence of extraterrestrial life and its impact on humanity.