How can astronomers locate objects in the sky? by using distance and compass directions by using latitude and longitude by using altitude and zenith by using the celestial sphere and constellations

by using the celestial sphere and constellations

Explanation:

The astronomers use the coordinate systems to describe the position of the objects in the sky and the easiest way is to assume that the objects are at the same distance as with the reference to the celestial plane or the sphere and constellation.