You said "It is". I was replying to you because you said it was a good investment, and I was questioning you why - to justify your opinion. The point is that I

You said "It is". I was replying to you because you said it was a good investment, and I was questioning you why - to justify your opinion. The point is that I disagree that it is a good investment. The investment is gambling with unfavorable odds - we're hoping we get something out of it. Even if we learn something new from astronomy..so what? There are many problems on earth that could use $10B or more of NASAs space budget that have direct impact on lives.