
The five layers are:
- Exosphere: 700 to 10,000 km (440 to 6,200 miles)
- Thermosphere: 80 to 700 km (50 to 440 miles)
- Mesosphere: 50 to 80 km (31 to 50 miles)
- Stratosphere: 12 to 50 km (7 to 31 miles)
- Troposphere: 0 to 12 km (0 to 7 miles)
Which planet has such a thick atmosphere?
Why does Venus have a thick CO2 atmosphere? Because Venus has such a dense atmosphere which is some 100 times thicker than the earth’s. Evidently, Venus is sufficiently close to the Sun that the little carbon dioxide it had in its early, Earth-like atmosphere caused the surface to warm up and leach out more carbon dioxide into the atmosphere.
What are the six layers of the atmosphere?
- Exosphere.
- Ionosphere.
- Thermosphere.
- Mesosphere.
- Ozone Layer.
- Stratosphere.
- Troposphere.
- Earth's Surface.
Is our atmosphere thick or thin?
The Earth's atmosphere, a thin layer that enables and protects life, is being impacted by potentially deadly human-produced emissions, even as a first generation of data and science is being produced with atmospheric observations from space. We are beginning to realize the extent of an existential experiment humanity is conducting in the atmosphere of the planet.
What Moon has a thick atmosphere?
Which moon has a thick atmosphere composed almost entirely of nitrogen and a surface containing lakes or oceans of liquid methane? Titan. Dark-colored relatively flat regions of the moon's surface that were formed when interior lava filled large basins are called? maria.
How thick are the 5 layers of the atmosphere?
The main layers within the atmosphere are the troposphere, stratosphere, mesophere and thermosphere. The thickness of the atmosphere, depending upon the definition, is between 100 and 10,000 kilometers.
How thick is the troposphere?
between 5 and 9 milesThe troposphere is between 5 and 9 miles (8 and 14 kilometers) thick depending on where you are on Earth. It's thinnest at the North and South Pole. This layer has the air we breathe and the clouds in the sky. The air is densest in this lowest layer.
How thick is the stratosphere layer?
This layer is 22 miles (35 kilometers) thick. The stratosphere is where you'll find the very important ozone layer. The ozone layer helps protect us from ultraviolet radiation (UV) from the sun.
How thick is the thermosphere?
This layer of Earth's atmosphere is about 319 miles (513 kilometers) thick. That's much thicker than the inner layers of the atmosphere, but not nearly as thick as the exosphere. The thermosphere is home to the International Space Station as it orbits Earth.
How thick is the mesosphere?
Mesosphere –The mesosphere is another rigid layer in the earth and it is roughly 2,200km in thickness.
Do planes fly in the troposphere?
The layer in which aircraft fly is the troposphere, the layer closest to the Earth, although within this layer, each type of aircraft uses a different altitude depending on its needs. For example, school flights, as well as private flights in general, always remain in the troposphere.
Can we survive in the stratosphere?
Similar to outer space, the stratosphere experiences freezing temperatures, with atmospheric pressures and oxygen levels far below the level required for human survival. Exposure to this environment causes unique injuries to the human body that can be deadly if the correct management is not promptly initiated.
How thick is the Earth's mantle layer?
about 2,900 kilometersThe mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth's total volume.
Where is atmosphere thickest?
The troposphere is thickest at the equator, and much thinner at the North and South Poles. The majority of the mass of the entire atmosphere is contained in the troposphere—between approximately 75 and 80 percent.
Can you survive in the thermosphere?
Even though temperatures can reach several thousands of degrees, the low density of air can make people freeze in the thermosphere. The conditions are not suitable for humans to survive but are very suitable for the aurora to be born.
What layer do weather balloons fly?
In two hours, a weather balloon can rise above the clouds, higher than the paths of jet planes, passing through the ozone layer in the stratosphere. Reaching altitudes of 35 km (22 miles) or higher, the balloons endure temperatures as cold as -90° C (-130° F).
What is the thinnest layer of the atmosphere?
The troposphere is also the thinnest layer, only about 10 miles high. The second layer up from the ground is the stratosphere. This layer extends from about 10-30 miles, and unlike the troposphere, it increases in temperature with elevation.
Why is the troposphere layer so thick?
The troposphere is thicker over the equator than the poles because the equator is warmer. Heat differential on the planet's surface causes convection currents to flow from the equator to the poles. This implies that the warmer the weather, the thicker is the troposphere.
Can you breathe in the troposphere?
Beginning at the surface of Earth, the troposphere extends to around seven miles up. This is the layer we live in and contains most of what we consider to be "the atmosphere," including the air we breathe and nearly all of the weather and clouds we see.
Is the atmosphere 30 km thick?
level of Earth's atmosphere, extending from 10 kilometers (6 miles) to 50 kilometers (31 miles) above the surface of the Earth.
What is the thickest layer of atmosphere?
In the troposphere, temperatures typically go down the higher you go, since most of the heat found in the troposphere is generated by the transfer of energy from Earth's surface. The troposphere is the densest atmospheric layer, compressed by the weight of the rest of the atmosphere above it.
What is the outermost layer of the atmosphere?
Exosphere. This is the outermost layer of the atmosphere. It extends from the top of the thermosphere to 6,200 miles (10,000 km) above the earth. In this layer, atoms and molecules escape into space and satellites orbit the earth. At the bottom of the exosphere is the thermopause located around 375 miles (600 km) above the earth.
Which layer of the atmosphere is considered the middle atmosphere?
Both the stratosphere (next layer down) and the mesosphere are considered the middle atmosphere. The transition boundary which separates the mesosphere from the stratosphere is called the stratopause.
What happens to the temperature of the troposphere as you climb higher?
As one climbs higher, the temperature drops from an average around 62°F (17°C) to -60°F (-51°C) at the tropopause. Average temperature profile for the lower layers ...
How far down is the stratosphere?
Stratosphere. The Stratosphere extends around 31 miles (50 km) down to anywhere from 4 to 12 miles (6 to 20 km) above the Earth's surface . This layer holds 19 percent of the atmosphere's gases but very little water vapor.
How far above Earth's surface is the oxygen layer?
This layer extends from around 31 miles (50 km) above the Earth's surface to 53 miles (85 km). The gases, including the oxygen molecules, continue to become denser as one descends. As such, temperatures increase as one descends rising to about 5°F (-15°C) near the bottom of this layer.
What is the lower atmosphere?
Known as the lower atmosphere almost all weather occurs in this region. The troposphere begins at the Earth's surface and extends from 4 to 12 miles (6 to 20 km) high.
How many layers of gas are there on Earth?
The envelope of gas surrounding the Earth changes from the ground up. Five distinct layers have been identified using...
What atmospheric layer do we live in?
What atmospheric layer do we live in? (Answer: We live in the troposphere.)
Which layer of the atmosphere is the fifth?
Moving upward from ground level, these layers are named the troposphere, stratosphere, mesosphere, and thermosphere. Some scientists also count the exosphere, the faint uppermost reaches of the atmosphere that gradually fades into space, as a fifth layer... however, the exosphere is not included in this activity.
How to represent layers in a graduated cylinder?
Use a 1000 mL (1 liter) graduated cylinder and represent the layers by using the following amounts of fish gravel or colored sand found in the photo and table below. Students can choose what color they want for each atmospheric layer. Keep in mind these are relative proportions and not exact points of departure for the different layers. In this scale model, each millileter of volume represents one kilometer of atmosphere layer thickness (for example, the troposphere is 10 km thick and is represented by 10 ml of sand or gravel in the graduated cylinder).
What will students learn about the height of Earth's atmosphere?
In part two, they will also learn about the relative thickness of each of the four main layers of the atmosphere. Learning Objectives. Students will be able to explain how relatively thin the atmosphere is, compared to the size of Earth.
How far is the Earth's atmosphere from the Earth's surface?
Tell the students that scientists have found that over 90% of the Earth's atmosphere is within about seven miles (12 km) of the Earth's surface. The distance from the center of the Earth to its surface equals about 4,000 miles. The scale of the chalkboard drawing is about 1 foot = 1,000 miles (1,610 km). So, on this scale, seven miles is a little less than 1/8th of an inch (about as thick as the chalk line), and 90% of the Earth's atmosphere lies within the thickness of the chalk line used to draw the surface of the Earth.
Which layer of the atmosphere is essential to life on Earth?
This activity demonstrates the relative thickness of the thin section of the atmosphere that includes the troposphere and stratosphere. These layers are essential to all life on Earth.
Where is the atmosphere located?
Most of the Earth's atmosphere (80 to 90%) is found in the troposphere, the atmospheric layer where we live. This layer, where the Earth's weather occurs, is within about 10 km (6 miles) of the Earth's surface. The stratosphere goes up to about 50 km (31 miles).
What are the layers of the atmosphere?
Layers of the atmosphere: troposphere, stratosphere, mesosphere and thermosphere. Earth's atmosphere has a series of layers, each with its own specific traits. Moving upward from ground level, these layers are named the troposphere, stratosphere, mesosphere, thermosphere and exosphere. The exosphere gradually fades away into the realm ...
What is the temperature of the atmosphere above the stratosphere?
Most meteors burn up in the mesosphere. Unlike the stratosphere, temperatures once again grow colder as you rise up through the mesosphere. The coldest temperatures in Earth's atmosphere, about -90° C (-130° F), are found near the top of this layer. The air in the mesosphere is far too thin to breathe; air pressure at the bottom of the layer is well below 1% of the pressure at sea level, and continues dropping as you go higher.
Why do jets fly in the stratosphere?
Commercial passenger jets fly in the lower stratosphere, partly because this less-turbulent layer provides a smoother ride.
Where is the stratosphere located?
The stratosphere extends from the top of the troposphere to about 50 km (31 miles) above the ground. The infamous ozone layer is found within the stratosphere. Ozone molecules in this layer absorb high-energy ultraviolet (UV) light from the Sun, converting the UV energy into heat.
How far is the exosphere from the Earth?
Different definitions place the top of the exosphere somewhere between 100,000 km (62,000 miles) and 190,000 km (120,000 miles) above the surface of Earth. The latter value is about halfway to the Moon!
How high is the thermosphere?
Because of this, the top of the thermosphere can be found anywhere between 500 and 1,000 km (311 to 621 miles) above the ground.
Which layer of the atmosphere is the final frontier?
Exosphere. Although some experts consider the thermosphere to be the uppermost layer of our atmosphere, others consider the exosphere to be the actual "final frontier" of Earth's gaseous envelope. As you might imagine, the "air" in the exosphere is very, very, very thin, making this layer even more space-like than the thermosphere.
How many layers are there in the atmosphere?
As we are aware, the Earth’s atmosphere is layered and each layer of the atmosphere has its own specific traits. The atmosphere is divided into four layers as Troposphere, Stratosphere, Mesosphere and Thermosphere. Earth’s atmosphere layers are divided on the basis of temperature.
Which layer of the atmosphere is the lowest?
Troposphere . The troposphere is one of the lowest layers of the atmosphere. We call the lowest part of the troposphere as the boundary layer and the topmost layer is called the tropopause. The air that we breathe exists here and all the weather phenomena such as fog, rainfall and hailstorm occur in this layer.
Why do astronauts burn in the mesosphere?
An astronaut travelling through the mesosphere would experience severe burns from the ultraviolet light of the sun because the ozone layer which provides UV protection is in the stratosphere below. Meteorites burn in this layer on entering the atmosphere from outer space. Articles that you might be interested in:
Why is the troposphere warmer than the surface?
When the parcel of warm air moves upwards, it expands, and when air expands, it cools. Due to this reason, the base of the troposphere is warmer than its base because the air on the surface of the Earth absorbs the sun’s energy, gets heated up, and moves upward, which cools down.
Why is the mesosphere cold?
Mesosphere. The temperature in the mesosphere grows colder with the altitude. This is because there are few gas molecules in the mesosphere to absorb the Sun’s radiation. The only heat source is the stratosphere below. The mesosphere is extremely cold, especially at the top dropping to a temperature as low as -90°C.
Why is the troposphere heated?
This is because the earth surface is much better at absorbing a wide range of solar radiation as compared to the air. When the parcel of warm air moves upwards, it expands. When air expands it cools.
Which layer of the atmosphere protects us from the harmful effects of the sun's rays?
This layer is free of clouds and devoid of any weather-related phenomenon. Due to this aeroplanes fly in the stratosphere for a smooth ride. The Stratosphere also houses the ozone layer that protects us from the harmful effect of the sun’s rays.
Which layer of the atmosphere is the next to Earth?
The stratosphere is the next layer up from Earth’s surface. It reaches from the top of the troposphere, which is called the tropopause, to an altitude of approximately 50 kilometers (30 miles). Temperatures in the stratosphere increase with altitude. A high concentration of ozone, a molecule composed of three atoms of oxygen, makes up the ozone layer of the stratosphere. This ozone absorbs some of the incoming solar radiation, shielding life on Earth from potentially harmful ultraviolet (UV) light, and is responsible for the temperature increase in altitude.
What is the atmosphere made of?
While oxygen is necessary for most life on Earth, the majority of Earth’s atmosphere is not oxygen. 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 is the top of the stratosphere called?
The top of the stratosphere is called the stratopause. Above that is the mesosphere, which reaches as far as about 85 kilometers (53 miles) above Earth’s surface. Temperatures decrease in the mesosphere with altitude. In fact, the coldest temperatures in the atmosphere are near the top of the mesosphere—about -90°C (-130°F). The atmosphere is thin here, but still thick enough so that meteors will burn up as they pass through the mesosphere—creating what we see as “shooting stars.” The upper boundary of the mesosphere is called the mesopause.
What is the mesosphere?
Scientists have linked use of chemicals such as chlorofluorocarbons (CFCs) to ozone depletion. The mesosphere extends from the stratopause (the upper boundary of the stratosphere) to about 85 kilometers (53 miles) above the surface of the Earth. Here, temperatures again begin to fall.
How far is the atmosphere from Earth?
Earth’s atmosphere stretches from the surface of the planet up to as far as 10,000 kilometers (6,214 miles) above. After that, the atmosphere blends into space. Not all scientists agree where the actual upper boundary of the atmosphere is, but they can agree that the bulk of the atmosphere is located close to Earth’s surface—up to a distance of around eight to 15 kilometers (five to nine miles).
How hot is the thermosphere?
Solar radiation makes the upper regions of the thermosphere very hot, reaching temperatures as high as 2,000°C (3,600°F).
Why is the troposphere higher in summer than winter?
Almost all weather develops in the troposphere because it contains almost all of the atmosphere’s water vapor. Clouds, from low-lying fog to thunderheads to high- altitude cirrus, form in the troposphere.
How much does the atmosphere weigh?
The atmosphere has a mass of about 5.15 × 10 18 kg, three quarters of which is within about 11 km (6.8 mi; 36,000 ft) of the surface. The atmosphere becomes thinner with increasing altitude, with no definite boundary between the atmosphere and outer space.
Which layer of the atmosphere is the third highest?
The mesosphere is the third highest layer of Earth's atmosphere, occupying the region above the stratosphere and below the thermosphere. It extends from the stratopause at an altitude of about 50 km (31 mi; 160,000 ft) to the mesopause at 80–85 km (50–53 mi; 260,000–280,000 ft) above sea level.
How did plate tectonics influence the long-term evolution of the atmosphere?
The constant re-arrangement of continents by plate tectonics influences the long-term evolution of the atmosphere by transferring carbon dioxide to and from large continental carbonate stores. Free oxygen did not exist in the atmosphere until about 2.4 billion years ago during the Great Oxygenation Event and its appearance is indicated by the end of the banded iron formations .
What is the study of the atmosphere called?
The study of Earth's atmosphere and its processes is called atmospheric science (aerology), and includes multiple subfields, such as climatology and atmospheric physics. Early pioneers in the field include Léon Teisserenc de Bort and Richard Assmann. The study of historic atmosphere is called paleoclimatology .
How high is the equator?
It extends from Earth's surface to an average height of about 12 km (7.5 mi; 39,000 ft), although this altitude varies from about 9 km (5.6 mi; 30,000 ft) at the geographic poles to 17 km (11 mi; 56,000 ft) at the Equator, with some variation due to weather.
How much water vapor is in the atmosphere?
The concentration of water vapor (a greenhouse gas) varies significantly from around 10 ppm by volume in the coldest portions of the atmosphere to as much as 5% by volume in hot, humid air masses, and concentrations of other atmospheric gases are typically quoted in terms of dry air (without water vapor).
What is the atmosphere of Earth?
The atmosphere of Earth, commonly known as air, is the layer of gases retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing for liquid water to exist on the Earth's surface, absorbing ultraviolet solar radiation, ...
What layer of the atmosphere is above the Earth's surface?
If we start from the top of the troposphere and go further into the sky, we reach the layer known as the stratosphere. If we start from the top of the troposphere and go further into the sky, we reach the layer known as the stratosphere. This layer goes up around 50 km above the Earth’s ground. In this layer, the temperature rises as you go further ...
Which layer of the atmosphere is the lowest?
1. Troposphere. This is the first and the lowest layer of Earth’s atmosphere. This is the first and the lowest layer of Earth’s atmosphere. All life on this planet is affected by the changes that happen in this layer, as all the weather changes take place in the troposphere. It starts from the ground (or sea level) of our planet ...
How to think about the atmosphere above our planet?
The easiest way to think about the atmosphere above our planet is to imagine an invisible shield that protects our planet from all the bad stuff that floats around in the universe. Planes usually fly in the lowest parts of the stratosphere layer. The air is a bit thinner, so there is not much resistance, which makes the planes fly faster.
What is the name of the layer that goes up to 85 km above the surface of the Earth?
3. Mesosphere . As the name suggests, we are halfway up our atmosphere layers when we reach this part. As the name suggests, we are halfway up our atmosphere layers when we reach this part. The mesosphere goes up to 85 km above the surface of our planet, and the temperatures here behave as they do in the troposphere.
What is the layer above the Earth's surface called?
The layer that is located between 500 and 1000 km above the Earth’s level is known as the thermosphere. You have guessed it, high temperatures are the name of the game here.
Which layer of the atmosphere protects us from radiation?
The ozone layer, the one that protects us from radiation that comes from the Sun and outer space, is found in the stratosphere. The atmosphere of Earth is divided into several different layers. The easiest way to think about the atmosphere above our planet is to imagine an invisible shield that protects our planet from all the bad stuff ...
How far above sea level can the Earth's atmosphere expand?
Somewhere it is around 100,000 km, but it can expand up to 190,000 km above sea level. The air here is extremely thin, and the conditions here are more similar to the ones we find when we leave the Earth’s atmosphere entirely. Antonia Čirjak May 1 2020 in Geography. Home.

Exosphere
Thermosphere
- Between about 53 miles (85 km) and 375 miles (600 km) lies the thermosphere. This layer is known as the upper atmosphere. While still extremely thin, the gases of the thermosphere become increasingly denser as one descends toward the earth. As such, incoming high energy ultraviolet and x-ray radiation from the sun begins to be absorbed by the molecules in this layer …
Mesosphere
- This layer extends from around 31 miles (50 km) above the Earth's surface to 53 miles (85 km). The gases, including the oxygen molecules, continue to become denser as one descends. As such, temperatures increase as one descends rising to about 5°F (-15°C) near the bottom of this layer. The gases in the mesosphere are now thick enough to slow down meteors hurtling into th…
Stratosphere
- The Stratosphere extends around 31 miles (50 km) down to anywhere from 4 to 12 miles (6 to 20 km) above the Earth's surface. This layer holds 19 percent of the atmosphere's gases but very little water vapor. In this region the temperature increases with height. Heat is produced in the process of the formation of Ozone and this heat is responsible for temperature increases from a…
Troposphere
- Known as the lower atmosphere almost all weather occurs in this region. The troposphere begins at the Earth's surface and extends from 4 to 12 miles (6 to 20 km) high. The height of the troposphere varies from the equator to the poles. At the equator it is around 11-12 miles (18-20 km) high, at 50°N and 50°S, 5½ miles and at the poles just under four miles high. As the densit…