Answer:
Lovely and round I shine with pale light grown in the darkness a lady's delight.
In my life I must bare my bloodline I must share.
Take off my skin I won't cry but you will. What am I?
I have no weight but I could destroy a mansion. What am I?
I am tomorrow's yesterday and yesterday's tomorrow. What am I?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.