As of the census of 2000, there were 43,022 people, 17,060 households, and 12,409 families residing in the city. The population density was 1,50...
Sunset
Twilight
Darkness
Most people know that sunset is the time when the sun goes down. But did you know that the sun doesn't actually set? Instead, Earth rotates into darkness, giving us the illusion that the sun is setting. So what causes sunset?
Well, it's a combination of things. The Earth's atmosphere scatters sunlight in every direction, but blue and violet light are scattered more than other colors. This is why the sky is usually blue during the daytime. As the sun gets lower in the sky, the atmosphere becomes thicker and more dense.
This scattering of sunlight happens to a greater extent, and we see red and orange light more than blue and violet light. That's why sunset is usually a beautiful red or orange color. So next time you see sunset, remember that you're actually seeing Earth rotate into darkness!
, population, education, healthcare, and economy
Situated in Iowa, Mason City is the county seat of Linn County and has a population of over 43,000 people. Founded in 1856, the city is located in the central part of the state and is home to the University of Northern Iowa and valuable farmland.
Mason City was first settled in 1839 and was named for Joseph Mason, a signer of the United States Declaration of Independence. The city was strategically chosen as the county seat after it was discovered that the river running through the town was navigable for boats.
Mason City is located in central Iowa on the east bank of the Iowa River. The city is about northeast of Des Moines and about west of Sioux City. The nearest state capital is Des Moines. The city is about northwest of the Iowa City campus of the University of Iowa.
At , Mason City has a total area of . is land and is water.
Mason City has a humid continental climate according to the Köppen climate classification.
As of the census of 2010, there were 43,063 people, 17,404 households, and 12,815 families residing in the city. The population density was . There were 19,469 housing units at an average density of . The racial makeup of the city was 93.3% White, 1.3% African American, 0.5% Native American, 2.7% Asian, 0.1% Pacific Islander, 1.1% from other races, and 1.9% from two or more races. Hispanic or Latino of any race were 4.4% of the population.
There were 17,404 households of which 33.8% had children under the age of 18 living with them, 50.6% were married couples living together, 12.5% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 32.5% were non-families. 25.3% of all households were made up of individuals and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.05.
The median age in the city was 34.1 years. 25.5% of residents were under the age of 18; 7.2% were between the ages of 18 and 24; 26.5% were from 25 to 44; 26.6% were from 45 to 64; and 13.8% were 65 years of age or older. The gender makeup of the city was 48.9% male and 51.1% female.
As of the census of 2000, there were 43,022 people, 17,060 households, and 12,409 families residing in the city. The population density was 1,503.8 people per
}As the sun sets, the sky slowly grows dark. For many people, this is a time to relax and wind down for the day. But have you ever wondered exactly when it gets dark? The answer may surprise you.
Did you know that darkness actually begins long before the sun sets? As the sun gets lower in the sky, its light has to travel through more atmosphere. This filters out some of the blue light, making the sun look redder. At the same time, shadows get longer and darker. So by the time the sun finally dips below the horizon, darkness has already begun to fall.
Of course, not all places on Earth experience darkness at the same time. Near the equator, the sun sets and rises almost directly overhead. This means that there is less of a difference between daytime and nighttime. Closer to the poles, however, the sun stays low in the sky for much of the year. This leads to longer periods of darkness during wintertime.