sirmyk said:
Blue. Some blew this way, some blew that way.
Eek.
Back on topic... I believe the reason we spend so much money and energy to learn about space is because it's just part of being human.
Mankind has been studying the stars for as long as there's been recorded history. I can't think of one ancient society that didn't study the night sky. In some cultures the stars were thought to be gods, while many more believed them to be signs from the gods. They were able to calculate intricate mathematical formulae based around the stars to figure out things that we know only thanks to modern science. For example, the Greeks knew thousands of years ago that our planet was round, but the knowledge was lost in the middle ages.
It didn't take people too long to figure out a practical application for reading the stars. Sailors and merchants never would have been able to cross the seas and oceans otherwise. It's thanks to them that distant cultures were introduced to new ways and new ideas were traded.
The stars have created romantic and nostalgic emotions in people for as long as there's been poets. I think it goes back to the ancient societies who worshipped them as gods. They needed so desperately to believe they weren't alone in the cold nights that they took comfort in the stars that would come back again and again. The stars were never in exactly the same place twice and always disappeared when the sun came up, and that would have made them seem alive to our early forefathers.
When you realize that the celestial bodies have always been important to men, it seems natural that with our scientific advances we would study them in greater depth. True, our planet isn't exactly a utopia, but trying to ignore our failings and move on is another trait of mankind. I could write a whole essay just about that!
In a nutshell, what I'm trying to say is that after so many years and generations of men, we can't just shake off our yearning to see what else is up there. When we're lonely we'll sit at our window and watch the stars; when we're in love we'll lie in the starlight and watch for shooting stars; when we're at our lowest point, we'll wish upon a star for help. It's these in these moments that we're most exposed, most aware of our mortality, and it seems very wrong not to learn more.