The Convective zone.
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The part of the Sun that lies directly above the visible surface is called the photosphere. It is the outermost layer of the Sun that emits light and is the region where most of the Sun's energy is emitted as visible light.
The tail
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.
When the Sun is directly overhead (at zenith) the point below it is called nadir.
If the sun is setting, the rainbow would be in the opposite direction in the sky, typically in the eastern part of the sky. This is because rainbows form when sunlight is refracted, reflected, and dispersed by raindrops in the atmosphere, creating a colorful arc opposite the sun's position.
The time when the sun disappears below the horizon at the end of the day is known as sunset. This marks the transition from day to night as the sun's light is no longer directly visible from the surface of the Earth.
because the sun in the universe is not that different by the uper part and lower part
Azimuth tells us the direction in which a celestial object can be seen. It is the angle (clockwise) between due north and the point on the horizon directly below the object. The azimuth of the Sun thus varies with the time of day and the time of year.
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.
A Solar Eclipse!!
The Earth has to be directly between the Moon and the Sun to caus a lunar eclipse.