RIDDLE: What am I riddle by Emily Dickinson

Can you solve this classic riddle by Emily Dickinson? Let us know if you guessed correctly and feel free to share this riddle with your online followers too.

I am, in truth, a yellow fork
From tables in the sky
By inadvertent fingers dropped
The awful cutlery.
Of mansions never quite disclosed
And never quite concealed
The apparatus of the dark
To ignorance revealed.

What am I?

Answer Below