Answer:
You’ll have me at night and if you remove the first letter I denote the top, such as on a train
As beautiful as the setting sun, as delicate as the morning dew. An angel's dusting from the stars. That can turn the Earth into a frosted moon.
I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.