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en.wikipedia.org/wiki/Day

A day is a unit of time. In common usage, it is either an interval equal to 24 hours or daytime, ... The life patterns of humans and many other species are related to Earth's solar day and the day-night cycle (see circadian rhythms). In recent ...

sciencing.com/causes-day-night-cycle-earth-15684.html

The alternation between day and night is caused by the rotation of the Earth on its axis. If the Earth did not rotate as it does, the day/night cycle would be very ...

www.lpi.usra.edu/education/skytellers/day_night

Some planets rotate faster than Earth and some rotate slower. Mars has a day and night cycle similar to Earth. Mars rotates on its axis once every 24.6 hours.

www.universetoday.com/59707/what-causes-day-and-night

Jul 26, 2016 ... For most of here on planet Earth, sunrise, sunset, and the cycle of day and night ( aka. the diurnal cycle) are just simple facts of life. As a result of ...

www.scientificamerican.com/article/earth-rotation-summer-solstice

Jun 14, 2010 ... Almost imperceptibly, however, Earth's day–night cycle—one rotation on its axis —is growing longer year by year, and has been for most of the ...

.ask.com/youtube?q=Earth%27s+Day+Night+Cycle&v=pLl8sDZRSYg
Mar 1, 2011 ... Video for 8th Grade Science Description of day and Night along with earth's rotation.

forums.warframe.com/topic/688799-daynight-cycle-of-earth

However Earth seems to have been switched to a Day/Night cycle has put a big dent into the time I could have been using to farm for Titania ...

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 ...

www.amnh.org/explore/curriculum-collections/antarctica/day-and-night-cycles/day-night-cycles

In most places on Earth, there are daily changes in light–light all day and darkness all night. These daily changes occur because Earth rotates on its axis, ...

science.howstuffworks.com/environmental/earth/geophysics/earth2.htm

Some of the sun's biggest impacts on our planet are also its most obvious. As the Earth spins on its axis, parts of the planet are in the sun while others are in the ...