The subsolar point on a planet is where its sun is perceived to be directly overhead (in zenith); that is where the sun`s rays are hitting the planet exactly perpendicular to its surface. It can also mean the point closest to the sun on an object in space, even though the sun might not be visible. For planets with an orientation and rotation simi....
The point on a body at which the Sun is directly overhead at given point.
The location on the Earth where the Sun is directly overhead. Also see declination.