Question

the line which separates that day and night _______​

Answer 1

Answer:

the line which separates that day and night terminator

Answer 2

Answer:

terminator

Explanation:

The line that separates day and night is called the terminator. It is also referred to as the "grey line" and the "twilight zone." It is a fuzzy line due to our atmosphere bending sunlight. In fact, the atmosphere bends sunlight by half a degree, which is about 37 miles (60 km).