that was not the issue , im just asking the question , nasa says something total different so , unless you have done more extensive research i cant see how you can explain why we dont see it when nasa says we should. this is your science im using.
if this where true , the beam of light would be poiting to the sky , use your senses and look at diagram of this example.
density causes objects to rise and fall , not gravity.
RE: Question : At what height do we see curvature