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en.wikipedia.org/wiki/Terminator_(solar)

A terminator or twilight zone is a moving line that divides the daylit side and the dark night side ... It is the lunar equivalent of the division between night and day on the Earth spheroid, although the Moon's much lower rate of rotation means it ...

en.wikipedia.org/wiki/Day

A day, a unit of time, is approximately the period of time during which the Earth completes one ... which day?" The life patterns (circadian rhythms) of humans and many other species are related to Earth's solar day and the day-night cycle.

www.timeanddate.com/worldclock/sunearth.html

The Day and Night World Map shows the Sun's current position and where it is night ... It shows which areas of the Earth are in daylight and which are in night.

in-the-sky.org/twilightmap.php

A live map, showing where in the world it is currently daytime, night time, or twilight. ... The map below shows where on Earth it is currently day time, night time, ...

www.ask.com/youtube?q=Day+Night+Earth&v=hWkKSkI3gkU
Jan 9, 2014 ... Science Video for Kids: Earth's Revolution & Rotation - Duration: 8:16. Turtlediary 693,722 views · 8:16 · Peep and the Big Wide World: Things ...

aa.usno.navy.mil/data/docs/earthview.php

Aug 24, 2016 ... Displays a view of the Earth that includes the terminator.

www.ask.com/youtube?q=Day+Night+Earth&v=cn5Y5WIhkr0
May 4, 2009 ... Video showing the Earth orbiting around the Sun and rotating on it's axis creating day and night.

starchild.gsfc.nasa.gov/docs/StarChild/questions/question31.html

These days, we know that the Sun appears to move across the sky because the Earth rotates on its ... Images showing Sun falling on Earth - day and night sides.

www.dkfindout.com/us/space/solar-system/day-and-night

The side facing away is cooler and darker, and experiences night. Because the Earth is constantly spinning, the line between day and night is always moving ...