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Mar 13, 2018 · The Earth's atmosphere protects and sustains the planet's inhabitants by providing warmth and absorbing harmful solar rays. In addition to containing the oxygen and carbon dioxide, which living things need to survive, the atmosphere traps the sun's energy and wards off many of the dangers of space.
- Earth Atmosphere Facts
One of the most important atmosphere facts is about the...
- How Does The Earth's Atmosphere Protect Living Organisms
The atmosphere surrounding the Earth is made up of many...
- What Protects The Earth From Harmful Solar Flares
Earth's magnetosphere, the first layer of protection against...
- What Does The Condensation Process Require
As part of the water cycle, condensation plays an important...
- How Does The Sun Affect The Earth
In Earth's atmosphere, the sun has the largest impact upon...
- The Importance of The Greenhouse Effect
The greenhouse effect is important, because it contributes...
- Earth Atmosphere Facts
Jan 11, 2021 · The atmosphere is a mixture of gases that surrounds the planet. We also call it air. The gases in the atmosphere include nitrogen, oxygen, and carbon dioxide. Along with water vapor, the atmosphere allows life to survive. Without it, Earth would be a harsh, barren world.
- The Earth’s Atmosphere
- The Connected Environment
- A Deep Breath
- The Weather
- The Water Transporter
- The Shield
- The Natural Greenhouse
- The Heat Engine
- The Atmosphere: Friend Or Foe?
The atmosphere is thin and light, a gas that is only bound to the solid mass of the Earth by gravity. The mass of the atmosphere is about 250 times less than that of the oceans and accounts for less than one millionth of the total mass of the planet. The atmospheric pressure and density of air decrease exponentially with height above the surface. T...
A Perfect Planetemphasises how different elements of our environment are interconnected. The atmosphere responds to varying heating by sunlight, driving movement. These motions in the troposphere are what we experience as wind. The oceans supply water vapour, which absorbs and releases heat, forms clouds and scatters sunlight. The patterns of conti...
A basic necessity for humans is to breathe oxygen at a sufficient pressure for our respiratory system to work. Complex, multicellular life on Earth needs an atmosphere for either respiration or photosynthesis. Even aquatic species rely on dissolved oxygen from the air. Photosynthesis, in contrast, requires carbon dioxide, also from the atmosphere. ...
One way that the atmosphere impacts us all is through ‘weather’. Weather is simply the day-to-day change in the atmosphere around us. The atmosphere changes rapidly because it has a relatively low density and, as a gas, it is able to flow freely. Change in the oceans or the rocky surface of the Earth happens over longer timescales. Weather affects ...
The atmosphere is vital for all life on the planet, not only humans, and for reasons other than supplying gases needed for respiration and photosynthesis. Winds also transport water into the interiors of large areas of land, which would otherwise rapidly become parched desert. This supply of fresh water is essential to life on Earth. An illustratio...
The atmosphere also shields life. Many small rocks are littered throughout the Solar System, left over from the violent processes that occurred during its formation or formed in subsequent collisions between objects. Small rocks, called meteoroids, frequently encounter the Earth. Most burn up when they enter the atmosphere and do not reach the grou...
The Earth also emits electromagnetic waves, but at its cooler temperature these are at a longer wavelength of around 10 mm, known as the thermal infrared region. The atmosphere is not completely transparent to thermal infrared radiation, and several gases (including methane, nitrous oxide, water vapour and carbon dioxide) absorb energy in the wavel...
It is interesting to compare temperatures on the Earth and the Moon’s surface. The Moon is, on average, the same distance from the Sun and is made of dark rock. In the day, the surface temperature can reach 130 °C and then fall to -175 °C at night. This huge cycle of over 300 °C is far greater than is seen anywhere on Earth, and it might appear sur...
This article has discussed why the atmosphere is beneficial for life, but weather can also be deadly. Even apparently destructive aspects may have benefits to life on the planet as a whole; life evolves under the stresses of a changing environment. The ‘Great Oxygenation Event’ of the atmosphere led to the development of respiration, employed by an...
May 13, 2024 · The troposphere interacts with the Earth’s surface, creating gradients in temperature that drive motion in air and water. The water from the Earth’s surface converts to water vapor via evaporation and transpiration and moves throughout the troposphere, where it condenses into clouds.
Dec 11, 2019 · It surrounds our planet, keeps us warm, gives us oxygen to breathe, and it is where our weather happens. Earth’s atmosphere has six layers: the troposphere, the stratosphere, the mesosphere, the thermosphere, the ionosphere, and the exosphere.
Aug 27, 2024 · Earth’s atmosphere is a thin blanket of gases and tiny particles called air. We are most aware of air when it moves and creates wind. All living things need some of the gases in air for life support. Without an atmosphere, Earth would likely be just another lifeless rock.
Earth’s atmosphere is a thin blanket of gases and tiny particles — together called air. We are most aware of air when it moves and creates wind. All living things need some of the gases in air for life support. Without an atmosphere, Earth would likely be just another lifeless rock.
