Answer:
I come without being fetched at night, hide away as soon as daylight strikes. Although I may look small, I am much mightier than what you can imagine. What am I?
I am between earth and heaven. What am I?
My geometry is lost in the night to be found in daylight's break. The rigors of time have torn me to shreds, yet I stand to protect that which lies within. What am I?
What has a bottom at the top?
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
I flow from the Homerβs mouth when he sees doughnuts.