Question

Why are some constellations visible to New York State observers at midnight during April, but not visible at midnight during October?
(a) Constellations move within our galaxy.
(b) Constellations have elliptical orbits.
(c) Earth revolves around the Sun.
(d) Earth rotates on its axis.

Answer 1

(d) Earth rotates on its axis. because Because they are located at the equatorial zone i.e 10 degree north to 10 degree south. thus  some constellations visible to New York State observers at midnight during April, but not visible at midnight during October