I love knowing this stuff, and getting to see the faint light that comes to us from so far away, and so long ago. I still think it's almost totally useless.
I was trying to highlight the difference between being useful and being valuable. Your stargazing might not be particularly useful but it's very valuable, because you enjoy it and because you're awed by what you see. Trying to find it useful or useless doesn't need to come in to it.
