The Convective zone.
See related links for more information.
When the Sun is directly overhead (at zenith) the point below it is called nadir.
If the sun is setting, then the center of the rainbow is to the east of you, and on or slightly below the horizon ... directly opposite the sun.
The tail
The part of the sun that lies directly above the visible surface is called the chromosphere. It literally means "sphere of color".
Equator.
Uranus has a tilt of 98 degrees. This means that during part of its orbit, its south pole is tilted almost directly towards the Sun. At another part of its orbit, it is the north pole that is tilted almost directly towards the Sun.
That's the "Celestial Equator".
because the sun in the universe is not that different by the uper part and lower part
During a new moon phase, the moon is between the sun and the earth. It usually passes not directly between the two, but above or even below. If the moon passes directly in front of the sun at this time, a solar eclipse occurs.
Partial eclipse
Solar Eclipse
The Earth has to be directly between the Moon and the Sun to caus a lunar eclipse.