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The plasma (electrically charged gas) in the chromosphere has a very low density. It is about ten thousand times less dense than the underlying photosphere, and more than a million times less dense than Earth’s atmosphere.At the photosphere, temperature and density reaches its lowest point – approximately 5,700 K and a density of 0.2 g/m3 (about 1/6,000th the density of air at sea level).The density of the chromosphere is only 10−4 times that of the photosphere, the layer beneath, and 10−8 times that of the atmosphere of Earth at sea level. This makes the chromosphere normally invisible and it can be seen only during a total eclipse, where its reddish color is revealed.
| Age | At least 4.5 billion years, in present state. |
|---|---|
| Mean density of entire Sun | 1.41 g/cm^3 |
| Interior (center of the Sun) | 160 g/cm^3 |
| Surface (photosphere) | 10^{-9} g/cm^3 |
| Chromosphere | 10^{-12} g/cm^3 |
Table of Contents
Which layer of the Sun has the lowest density?
At the photosphere, temperature and density reaches its lowest point – approximately 5,700 K and a density of 0.2 g/m3 (about 1/6,000th the density of air at sea level).
What is the density of the Sun’s layers?
| Age | At least 4.5 billion years, in present state. |
|---|---|
| Mean density of entire Sun | 1.41 g/cm^3 |
| Interior (center of the Sun) | 160 g/cm^3 |
| Surface (photosphere) | 10^{-9} g/cm^3 |
| Chromosphere | 10^{-12} g/cm^3 |
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How dense is the chromosphere?
The density of the chromosphere is only 10−4 times that of the photosphere, the layer beneath, and 10−8 times that of the atmosphere of Earth at sea level. This makes the chromosphere normally invisible and it can be seen only during a total eclipse, where its reddish color is revealed.
What are the 7 layers of the Sun in order?
It is composed of seven layers: three inner layers and four outer layers. The inner layers are the core, the radiative zone and the convection zone, while the outer layers are the photosphere, the chromosphere, the transition region and the corona.
What part of the Sun has the greatest density?
Which part of the Sun has the greatest density? The core.
Is Earth or the Sun denser?
…
Sun.
| Mass (Earth=1) | 332,800 |
|---|---|
| Density (water=1) | 1.41 |
| Surface gravity m/s2 | 274 |
What is the density of the Sun’s corona?
The density at the base of the corona is about 4 × 108 atoms per cubic centimetre, 1013 times more tenuous than the atmosphere of Earth at its base. Because the temperature is high, the density drops slowly, by a factor of e (2.718) every 50,000 kilometres.
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The sun’s atmosphere has three layers: the photosphere, the chromosphere and the corona. We explore each layer in more detail here.
What are the Sun’s layers?
The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona.
What is the difference between the photosphere and chromosphere?
the corona – the outermost, hot shell of the atmosphere. the chromosphere – a transparent layer between the corona and the photosphere. the photosphere – the visible “surface” of the Sun. the sunspots – dark areas on the photosphere, which are cooler than the surroundings.
What is the middle layer of the Sun?
Chromosphere literally means sphere of color. It is the middle layer and around 2,000km deep. It is just above the photosphere, the first layer of the sun’s atmosphere. It is an irregular layer and its temperature lies between 6000oC−20,000oC .
How thick is the photosphere?
The photosphere is about 300 km thick. Most of the Sun’s visible light that we see originates from this region. The chromosphere is about 2000 km thick.
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What is the thickest layer of the Sun?
The structure of the sun is made up of four layers. At the very center is the dense, hot core. Around the core lie two layers: a thick layer called the radiative zone and a thinner, cooler layer called the convective zone. Surrounding all of them is the sun’s surface layer, known as the photosphere.
What are the 6 layers of the Sun and their descriptions?
The outer layers are the Corona, the Transition Region, the Chromosphere, and the Photosphere, while the inner layers are the Core, the Radiative Zone, and the Convection Zone. There are four outer layers of the Sun, and the Corona is the outermost one.
Is the corona the outermost layer of the Sun?
Our Sun is surrounded by a jacket of gases called an atmosphere. The corona is the outermost part of the Sun’s atmosphere. The corona is usually hidden by the bright light of the Sun’s surface.
Is the core the hottest layer of the Sun?
Core. The hottest part of the Sun is the core, at 28,080,000°F, on average.
What is the photosphere made of?
The Sun’s photosphere is around 100 kilometers thick, and is composed of convection cells called granules—cells of plasma each approximately 1000 kilometers in diameter with hot rising plasma in the center and cooler plasma falling in the narrow spaces between them, flowing at velocities of 7 kilometers per second.
How dense is a black hole?
…
Density of Black Holes.
| Material | ρ / g/cm3 |
|---|---|
| Black hole | 4 × 1014 |
What planet is the least dense?
Jupiter is the largest planet in the solar system, but it’s Saturn—the solar system’s second largest planet—that takes the prize for least dense. It’s less dense than water, which has led many people to postulate that it would float.
Why is the Sun so low in density?
Fusion inside of a star affects the sun’s density (which does not happen with a planet). It produces an outward pressure that balances against the attraction of gravity, thereby reducing the density as long as the star is burning.
Which planet is densest?
The densest planet in the Solar System is Earth, which has an average density of 5,513 km/m³ (344 lb/cu ft). The next most dense planet in Mercury, at 5,240 kg/m³ (327 lb/cu ft).
Why is the corona so hot?
The basics of coronal heating are clear enough. Everyone agrees that there is plenty of energy to do the job in the churning solar interior just beneath the visible surface. And everyone agrees that the sun’s magnetic field carries the required energy outward to the corona.
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What is chromosphere of the Sun?
chromosphere, lowest layer of the Sun’s atmosphere, several thousand kilometres thick, located above the bright photosphere and below the extremely tenuous corona.
What is in the Sun’s core?
The core of the Sun is home to billions and billions of atoms of hydrogen, the lightest element in the universe. The immense pressure and heat pushes these atoms so close to one another that they squish together to create new, heavier atoms. This is called nuclear fusion.
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