What causes the 24 hours of daylight north arctic circle during summer solstice?

During the summer solstice, regions north of the Arctic Circle experience a phenomenon known as the midnight sun, where the sun remains visible for the entire 24-hour period. This occurs due to the tilt of Earth's axis and the position of the Arctic Circle relative to the Sun.

1. Earth's Axis Tilt: Earth's axis is tilted at an angle of 23.4 degrees with respect to its orbital plane around the Sun. This tilt causes different parts of the Earth to experience varying amounts of sunlight throughout the year.

2. Arctic Circle: The Arctic Circle is a latitude line located at approximately 66.5 degrees north of the Equator. It marks the boundary above which the Sun can remain visible for 24 hours during the summer solstice and below which the Sun can remain below the horizon for 24 hours during the winter solstice.

3. Summer Solstice: The summer solstice is an astronomical event that marks the longest day and the shortest night of the year. It occurs when the Sun reaches its highest point in the sky as seen from the Northern Hemisphere. This usually takes place around June 20th or 21st each year.

During the summer solstice, the North Pole of the Earth is tilted directly towards the Sun. As a result, the Sun's rays strike the Arctic Circle and regions above it for a prolonged period, preventing the Sun from setting below the horizon. The continuous illumination lasts until the Earth's rotation brings the respective locations back into darkness.

In summary, the 24 hours of daylight experienced during the summer solstice north of the Arctic Circle are due to the tilt of Earth's axis, the position of the Arctic Circle, and the Sun's positioning at its highest point in the Northern Hemisphere. This phenomenon highlights the effects of Earth's rotation and its axial tilt on the amount and duration of sunlight received at different latitudes throughout the year.