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Sunset (or sundown) is the disappearance of the Sun at the end of the Sun path, below the horizon of the Earth (or any other astronomical object in the Solar System) due to its rotation. As viewed from everywhere on Earth, it is a phenomenon that happens approximately once every 24 hours, except in areas close to the poles .
Twilight is the time period between dawn and sunrise, and between sunset and dusk. Morning twilight: astronomical, nautical, and civil stages at dawn. The apparent disk of the Sun is shown to scale. [1] Evening twilight: civil, nautical, and astronomical stages at dusk. The solar disk is shown to scale.
Nautical twilight begins when there is enough light for sailors to distinguish the horizon at sea, but the sky is still too dark to perform outdoor activities. It begins when the center of the Sun is 12 degrees below the horizon in the morning. Nautical dawn marks the start of nautical twilight, which lasts until civil dawn. [6] [5]
"On Thursday We Leave for Home" is an episode of the American television anthology series The Twilight Zone. In this episode, a struggling colony on a distant planet awaits the arrival of a ship that will take them back to Earth.
Sunrise, sunset, or sun position for any location – U.S. only Sunrise, sunset and day length for any location – Worldwide Rise/Set/Transit/Twilight Data – U.S. only
Exit one Paul Driscoll, a creature of the twentieth century. He puts to a test a complicated theorem of space-time continuum, but he goes a step further, or tries to.. Shortly, he will seek out three moments of the past in a desperate attempt to alter the present, one of the odd and fanciful functions in a shadowland known as the Twilight
Summer days are longer than winter days, but the difference is no more than approximately two and a half hours. The daily path of the Sun is steep at the horizon the whole year round, resulting in a twilight of only about one hour and 20 minutes in the morning and in the evening. Solstice day arcs as viewed from 50° latitude.
The seasons with the transition points of the June solstice, September equinox, December solstice, and March equinox. The winter solstice, or hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun.