General terms:
* Horizon: This is the most common and accurate term, referring to the line where the sky and the earth appear to meet.
* Skyline: This term is more often used for the outline of buildings or other structures against the sky, but it can also be used to describe the line where the sky and the earth meet.
More poetic terms:
* Edge of the world: This term suggests a sense of mystery and vastness, as if the earth ends at the horizon.
* Meeting place: This term emphasizes the merging of the two elements.
* The heavens: This term implies a spiritual or ethereal quality.
Ultimately, the best term to use depends on the specific context and the intended effect.
