Answer:
metaphor
Explanation:
This phrase employs the literary device of metaphor. Specifically, it compares the sun to a "glowing orange ball" without using the words "like" or "as," which are common in similes. Metaphors directly assert a comparison between two, unlike things to suggest a resemblance. In this case, the sun is being likened to a glowing orange ball to convey its appearance vividly.
