What is Atmos Latin?
air or vapour: atmometer; atmosphere. [via New Latin from Greek atmos vapour]
What do Tropos mean?
Tropo- is a combining form used like a prefix variously meaning “turn,” “reaction, response,” or “change.” The form is used in many scientific terms, including in biochemistry, ecology, and meteorology, where tropo- specifically represents the troposphere, the lowest layer of the atmosphere.
What is in Earth’s atmosphere?
Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
What does sphere mean in science?
Sphere. 1. (Science: geometry) A body or space contained under a single surface, which in every part is equally distant from a point within called its center. 2. Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth.
What does the term troposphere mean?
Definition of troposphere : the lowest densest part of the earth’s atmosphere in which most weather changes occur and temperature generally decreases rapidly with altitude and which extends from the earth’s surface to the bottom of the stratosphere at about 7 miles (11 kilometers) high.
What does troposphere mean in Greek?
a turn or change
The word troposphere comes from the Greek root tropos, “a turn or change.” Definitions of troposphere. the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude)
What is the line between Earth and space?
A common definition of space is known as the Kármán Line, an imaginary boundary 100 kilometers (62 miles) above mean sea level. In theory, once this 100 km line is crossed, the atmosphere becomes too thin to provide enough lift for conventional aircraft to maintain flight.
What distance separates Earth and the Sun?
From an average distance of 93 million miles (150 million kilometers), Earth is exactly one astronomical unit away from the Sun because one astronomical unit (abbreviated as AU), is the distance from the Sun to Earth.
What is sphere in eyes?
Sphere (SPH) – The term “sphere” means that the correction for nearsightedness or farsightedness is spherical, equal in all meridians of the eye. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness.
What are the 4 spheres of the Earth?
Everything in Earth’s system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called “spheres.” Specifically, they are the “lithosphere” (land), “hydrosphere” (water), “biosphere” (living things), and “atmosphere” (air).
What does exo mean in exosphere?
The exosphere is the outermost layer of our atmosphere. “Exo” means outside and is the same prefix used to describe insects like grasshoppers that have a hard shell or “exoskeleton” on the outside of their body.
What is the origin of the word stratosphere?
1908, from French stratosphère, literally “sphere of layers,” coined by French meteorologist Léon-Philippe Teisserenc de Bort (1855-1913) from Latin stratus “a spreading out” (from past participle stem of sternere “to spread out,” from PIE root *stere- “to spread”) + French -sphère, as in atmosphère (see sphere).