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Atmospheric Sciences

Atmospheric science is the study of the atmosphere, its processes, and the interaction of the atmosphere with other systems, including the effects other systems have on the atmosphere and visa versa. Fields in Atmospheric Sciences include Meteorology, Climatology, and Aeronomy. Ask and answer questions about Atmospheric Sciences in this category.

500 Questions

What is the major component of neptunes atmosphere?

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Asked by Wiki User

The major component of Neptune's atmosphere is hydrogen and helium, with some methane. Neptune, a gas giant, still has much of the same atmosphere that it had at the time of formation.

Are clouds part of atmosphere or hydrosphere?

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Asked by Wiki User

In a nutshell, yes. They are not a layer of the atmosphere, but since a cloud is humidity in the atmosphere I would call it a component that makes up our atmosphere.

Why does the thermosphere have the highest temperature out of all the other layers?

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Asked by Wiki User

The thermosphere is heated by solar radiation particularly in the far ultraviolet range; much of this is filtered out by the atmosphere's lower layers - but in the these upper regions it is more exposed to this kind of radiation.

Is oxygen supplied to the atmosphere by ozone?

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Asked by Wiki User

NO!!!

Oxygen is supplied to the atmosphere by green plant life.

Ozone is an allotrope of oxygen naturally found in the upper atmosphere.

All animals, humans included, breath in(inhale) oxygen and breath out (exhale) carbon dioxide.

Carbon dioxide is a heavy gas, and falls to the ground. Where upon it is absorbed by green plant life ( grass /trees/bushes/ stems of flowers etc.,) Once absorbed by the plant and under the process of photosynthesis, the carbon dioxide is decomposed into oxygen and the carbon component remains in the plant as biomass. The oxygen is released back into the atmosphere for animals to breath.

The process of photosynthesis only goes on during daylight hours, when there is UV light present. It does NOT occur aty night. It must be a very fast bio-chemical reaction because there is more oxygen in the atmosphere (~20%) than carbon dioxide ( much less than 1%) . This process is known as the 'Oxygen Cycle'.

NB THere are also 'water cycle' , 'Nitrgen Cycle' and 'Carbon Cycle'.

Ozone is formed from oxygen in the upper atmosphere, and is thought to protect us from extreme (UV) radiations from the Sun.

Atmospheric oxygen has the formula (O=O) (O2). However, ozone has the formula (O3) Its structure is triangular, with each oxygen atom forming two single bonds to each of the other two oxygen atoms. Ozone, compared to oxygen, is poisonous to humans.

When a space capsule returns to Earth after a mission it glows red-hot as it enters the atmosphere because of what?

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Asked by Wiki User

Friction . The space craft is moving at several thousands of miles per hour (extremely fast) . At this speed it meets up with the gas particles of the upper atmosphere, hence friction.

As an anology, if you throw a spinning flat stone parallel to the surface of water it will bounce off the water. If that angle is too big that stone will plunge into the water causing a splash (friction).

So space capsules have to strike the upper atmosphere at just the correct angle, because '1' they may bounce off into space and never return, or '2' plunge so sharply into the atmosphere that they 'burn' up.

So the angle of re-entry has to be 'just right' to stop either 'bouncing off' or creating a 'big splash'. Thereby minimising friction.

What causes the earth to have too many greenhouse gases in the atmosphere?

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Asked by Wiki User

Current thinking is people and industry burning/combusting too much fosssil fuels.

However, The oceans hold a lot of CO2 in solution. It known that it water heats up it will release any dissolved gases; think of a kettle boiling. So more could be coming from ocean warming. Ocean warming could be caused by the Sun hesting the water, or the Earth's internal 'radiator'(Mantle/core) releasing more heat , thereby warming the ocean.

Approximately 20 percent of the earths atmosphere is composed of?

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Asked by Wiki User

Approximately 20 percent of Earth's atmosphere is composed of oxygen. Oxygen is a vital component of the atmosphere, essential for supporting life through respiration. The majority of the remaining atmospheric composition consists of nitrogen, which makes up about 78 percent. Trace amounts of other gases, such as argon, carbon dioxide, neon, helium, and methane, contribute to the remaining 2 percent.

The specific percentages can vary slightly due to factors like altitude and geographic location. This composition is crucial for maintaining the balance necessary for the survival of various forms of life on Earth, as well as influencing weather patterns and atmospheric processes.

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What is the total percentage of volume in the atmosphere?

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Asked by Wiki User

100%.

However, I think you misunderstand.

Every has in the atmosphere forms a percentage of the total gas in the atmosphere.

The percetnages are ;-

Nitrogen ; 79 %

Oxygen ; 20%

Other gases ; 1%

The other gases include, Water vapour, Carbon dioxide, sulphur dioxide, methane, the noble (inert) gases ; (Helium, Neon, Argon, Krypton, Radon).

#All these gases make up only 1% of the atmosphere, so individually they are in very small proportions.

What is the Atmosphere of made of?

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Asked by Wiki User

The atmosphere is made up of lots of different gases. It is impossible to name all of them as there are some that we havent found yet. Hope this helps

What gas is our atmosphere mostly made up of?

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Asked by Wiki User

Nitrogen !!! Approximately 79%

The other main gas is oxygen, approximately 20%

The remaining 1% is a mixture of gases , including water vapour, carbon dioxide, the noble(inert) gases, sulpur dioxide, nitrogen oxides, methane.

How old is Earth?

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Asked by Ophelia Schneider

The Earth is at least 4.4 billion years old.

What are the forms of gases?

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Asked by Wiki User

Oxygen, Helium, Natural Gas, Carbon Dioxide, Anaesthetics Gas, Carbon monoxide, sulfur dioxide, Neon, water vapor.

Why does atmospheric pressure decrease as you rise above earths surface?

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Asked by Wiki User

As you ascend higher in the Earth's atmosphere, the atmospheric pressure decreases due to several factors:

Decreasing Density: The atmosphere is made up of gases held by the Earth's gravity. As you move higher, the density of the air decreases. Lower density means fewer gas molecules in a given volume, resulting in reduced pressure.

Weight of the Air Column: Atmospheric pressure is the weight of the air above a given point. When you're closer to the Earth's surface, there's a thicker column of air above you, exerting greater pressure. As you ascend, the column of air above you decreases, leading to lower pressure.

Gravitational Force: Gravity pulls gas molecules towards the Earth's surface. Near the surface, the weight of the air above compresses the air below, increasing pressure. As you move away from Earth's surface, the gravitational force weakens, allowing molecules to spread out more, leading to reduced pressure.

Temperature Gradient: The temperature in the atmosphere varies with altitude. Generally, the troposphere (the lowest atmospheric layer) experiences a decrease in temperature with increasing altitude. Cooler air is denser, contributing to higher pressure at lower altitudes.

These combined factors result in a decrease in atmospheric pressure with altitude. At sea level, the atmospheric pressure is higher due to the weight of the air column above. As you ascend, the fewer air molecules and reduced weight of the air column lead to lower atmospheric pressure. This decrease continues as you move higher into the atmosphere.

What kind of radiation passes through the atmosphere and reaches the earths surface?

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Asked by Wiki User

highlight factors which show that heat from the sun does reach th earth surface by convection