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How long can aerosols and ash that erupt from a volcano stay in the upper atmosphere?
aerosols and ash can stay on the atmosphere for months or years.
How long was the surface of the earth molten?
The earth was in molten state for approximately 0.8-1 billion years.
What type of atmosphere is present when earth is formed?
The atmosphere of Earth has changed since its formation. When the Earth formed 4.6 billion years ago, it was a molten ball of rock with an atmosphere of hydrogen and helium. This atmosphere was blown away by the solar winds because there was no magnetic field to protect the Earth. After the Earth cooled, volcanoes released gases such as water vapour, ammonia and carbon dioxide. The ammonia was broken down into nitrogen and hydrogen by sunlight. Eventually, the evolution of cyanobacteria released oxygen into the atmosphere, which began to have a similar composition to the modern atmosphere.
What object in space has lost its atmosphere due to the fact it was blown away by solar winds?
Mars is a prime example of a celestial body that has lost its atmosphere due to solar winds. Unlike Earth, Mars lacks a strong magnetic field to protect its atmosphere from these charged particles emitted by the Sun. Over billions of years, this exposure has significantly stripped away its atmosphere, leading to the cold and thin atmosphere we observe today.
How long does an ozone molecule last in the upper atmosphere?
Seconds to months, depending on if the Sun is shining directly, the temperature, how "old" it is, and how many ozone scavengers (contaminants, such as water vapor and free chlorine or bromine atoms) are present.
How long can aerosols and ash that erupt from a volcano stay in the upper atmosphere?
aerosols and ash can stay on the atmosphere for months or years.
What kind of pyroclastic marterial can reach the upper atmosphere and circle the earth for years?
Volcanic ash, sulfur dioxide, and other particles ejected during explosive volcanic eruptions can reach the upper atmosphere and form a stratospheric aerosol layer. This layer can reflect sunlight, causing cooling effects on Earth's surface and result in the phenomenon known as volcanic winter. Examples of such events include the 1991 eruption of Mount Pinatubo and the 1815 eruption of Mount Tambora.
How long was the surface of the earth molten?
The earth was in molten state for approximately 0.8-1 billion years.
What happenes to global temp for several years after a eruptions?
In an eruption that places alot of smoke and ash into the upper atmosphere, light reflects off the smog particles and is prevented from entering the lower atmosphere, the amount of light reflected is dependant on the amount of suspended particulate. In a major eruption the ash can spread out far enough and thickly enough to affect global temperatures, cooling the entire planet until the smog settles and dissipates.
What has Mars lost that Earth may too?
Mars has lost its molten core (and as a result, it's magnetic field), its liquid water, and most of its atmosphere. These may someday happen to Earth, though hopefully not for billions of years.
What type of atmosphere is present when earth is formed?
The atmosphere of Earth has changed since its formation. When the Earth formed 4.6 billion years ago, it was a molten ball of rock with an atmosphere of hydrogen and helium. This atmosphere was blown away by the solar winds because there was no magnetic field to protect the Earth. After the Earth cooled, volcanoes released gases such as water vapour, ammonia and carbon dioxide. The ammonia was broken down into nitrogen and hydrogen by sunlight. Eventually, the evolution of cyanobacteria released oxygen into the atmosphere, which began to have a similar composition to the modern atmosphere.
What object in space has lost its atmosphere due to the fact it was blown away by solar winds?
Mars is a prime example of a celestial body that has lost its atmosphere due to solar winds. Unlike Earth, Mars lacks a strong magnetic field to protect its atmosphere from these charged particles emitted by the Sun. Over billions of years, this exposure has significantly stripped away its atmosphere, leading to the cold and thin atmosphere we observe today.
How long does an ozone molecule last in the upper atmosphere?
Seconds to months, depending on if the Sun is shining directly, the temperature, how "old" it is, and how many ozone scavengers (contaminants, such as water vapor and free chlorine or bromine atoms) are present.
What were the gases in the air 4.5 billion years ago?
4.5 billion years ago the earth was a molten ball surrounded by hydrogen and helium.
Who is the first particle enter the earth at first time?
The first particles to come to Earth were likely dust and debris left over from the formation of the solar system about 4.6 billion years ago. These particles gradually came together to form the Earth and its early atmosphere.
Does The asthenosphere consist of partially molten mantle rock?
The asthenosphere is commonly said to be made of partially molten rock, but that is not entirely true. There are areas of the asthenosphere that are partially molten, but they make up a small portion of its volume. The asthenosphere is hot enough that it would be molten is brought to the surface, but the enormous pressure inside Earth keeps it in a state that is technically solid. The rock is still rather soft though and can flow slowly over the course of thousands to millions of years. When you look at substances over such long periods of time the distinction between solid and liquid becomes a bit blurred.
Has the number of subatomic particles changed?
No, from 80 years.
