What Is The Size Of A Typical Granule Or Convection Cell Seen In The Photosphere??
Each granule is about 1 000 km across.
What is a granule on the Sun?
Solar granules are cellular patterns visible in the outer layer (photosphere) of Sun associated with large scale vertical fluid motions at and just below the photosphere. The brighter central regions correspond to rising hotter fluid and the darker narrow lanes correspond to sinking colder fluid.
What is the cellular granulation pattern seen on the visible surface of the Sun?
What is the explanation for the bright cells of photospheric gases that make up the cellular granulation pattern seen on the visible surface of the Sun? The cells are the tops of blobs of hot gas that have risen from the Sun’s convective zone.
Thus granulation just represents the tops of convection currents that are transferring heat from below the solar surface to the surface. In that sense granules are a little like the tops of cumulus clouds in the Earth’s atmosphere which are also associated with convection currents.
Which energy transport mechanism produces the granulation seen on the photosphere?
The granulation is produced by the convection (boiling) of the Sun’s gases.
What do granules look like?
What are granules in cells?
Granules are particles in a cell’s cytoplasm that show up as small spots when the cell is examined through a microscope. They are often secretory vessels.
What occurs in the convection zone?
A region of turbulent plasma between a star’s core and its visible photosphere at the surface through which energy is transferred by convection. In the convection zone hot plasma rises cools as it nears the surface and falls to be heated and rise again.
What is the size of the Sun’s core?
Which layer shown has convection of plasma within it that leads to granulation of the photosphere?
Granules on the photosphere of the Sun are caused by convection currents (thermal columns Bénard cells) of plasma within the Sun’s convective zone. The rising part of the granules is located in the center where the plasma is hotter.
What do you mean by granules?
Definition of granule
1 : a small particle especially : one of numerous particles forming a larger unit. 2 : any of the small short-lived brilliant spots on the sun’s photosphere.
Why granulation is required?
Why is Granulation Necessary? The granulation process allows particles to stick together more firmly. It increases the particle size of the constituents used which are mostly very fine powders. The greater the particle size of a constituent greater will be its compressive or binding ability.
What is granulation in the Sun Group of answer choices?
The solar wind is ionized gas streaming away from the sun. Granulation is caused by convection. The temperature of the corona is millions of degrees. … Due to the required temperatures fusion occurs only in the core of the sun.
How big is a typical solar granule?
Why is the convection zone called convection?
Why is photosphere granulated?
Large-scale images of the photosphere show a granular structure. Each granule or cell is a mass of hot gas 1 000 km (600 miles) in diameter the granules rise because of convection inside the Sun radiate energy and sink back within a few minutes to be replaced by other granules in a constantly changing pattern.
What are granules Class 9?
Nissl’s Granules are the substances found in the neurons which are a large granular type of body. These granules are very useful for protein synthesis also help to transport these proteins to the part known as cyton.
Why is the photosphere granulated quizlet?
Granules on the photosphere of the Sun are caused by convection currents of plasma within the Sun’s convective zone. The grainy appearance of the solar photosphere is produced by the tops of these convective cells and is called granulation. It indicates that convection is taking place from the interior.
What cell has cytoplasmic granules?
What are the granules in phagocytes?
In the blood two types of white blood cells neutrophilic leukocytes (microphages) and monocytes (macrophages) are phagocytic. Neutrophils are small granular leukocytes that quickly appear at the site of a wound and ingest bacteria.
Where are granule cells found?
How thick is the photosphere?
about 300 km thick
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.
What is the photosphere made of?
What is in the chromosphere?
What is the convection zone of the Sun?
What is the core of the sun called?
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 is the Sun’s average surface temperature?
5 778 K
What are the size of the granules in the convection zone of the Sun?
Which one of the following is convective layer of the atmosphere?
Which layer of the Sun is where fusion occurs?
Is granules smaller than powder?
A powder has a smaller grain size and granular probably consists of bigger grains. So your surface to volume ratio will be different. You will have different behaviour of adsorption or diffusion due to the presence of pores in granules (if the granules are porous).
What is granular structure?
A granular structure is a mathematical structure of the collection of granules in which the inner structure of each granule is visible (a granule is a white box) and the interactions among granules are detected by the visible structures    .
What are granules in pharmaceutics?
Physical Science 10.2c – The Structure of the Sun
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