Not the sky! The Earth!................
Smile
Mankind will never fully understand the wonders of his this world works.
In my library is a book entitled “The Way the World Works” by Jude Wanniski. It was of political and economic nature. And made a lot of sense.
Physical Sciences are being twisted by lack of honest sense of reality. And constant pressure for funding. Science in the distant past, was not a government financed operation.