Which literary device is found in the underlined text?

Which literary device is found in the underlined text?

When Romeo sees Juliet on her balcony, he says, “It is the east, and Juliet is the sun! When he compares her to the sun, this is an example of a ____________.

"From forth the fatal loins of these two foes..." -Prologue Act 1

"It seems she hangs upon the cheek of night

Like a rich jewel in an Ethiope's ear"

"Madam, an hour before the worshipp'd sun

Peer'd forth the golden window of the east,

A troubled mind drave me to walk abroad ..."

"Now old desire doth in his death-bed lie." (Prologue to Act 2)

I'll look to like, if looking liking move:

But no more deep will I endart mine eye

Than your consent gives strength to make it fly.

"My lips, two blushing pilgrims, ready stand To smooth that rough touch with a tender kiss". (Act 1 Scene 5)

"Begot of nothing but vain fantasy, Which is as thin of substance as the air" (Act 1 Scene 4)