Table of Contents
- 1 What is the cellular Looking granulation pattern seen on the visible surface of the Sun?
- 2 What do granules tell us about the Sun?
- 3 Which layer of the Sun shows granulation?
- 4 What is granulation caused by?
- 5 Why granulation is required?
- 6 What is the function of granulation astronomy?
- 7 What is Surface of Sun called?
What is the cellular Looking 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. upward in the bright cell centers and downward around the darker edges.
What do granules tell us about the Sun?
You can observe so-called granules, areas of about 1000 km in diameter, where hot gas from inside the Sun rises to reach the surface of the Sun. The brighter regions indicate hot, rising gas – the darker regions cool and down-welling gas.
What causes granulation quizlet?
Granulation is caused by rising currents of hot gas below the photosphere. Sunspots are hotter than the photosphere.
Which layer of the Sun shows granulation?
photosphere
Most of the photosphere is covered by granulation. Chromosphere – The chromosphere is a layer in the Sun between about 250 miles (400 km) and 1300 miles (2100 km) above the solar surface (the photosphere).
What is granulation caused by?
They are caused by convection currents of plasma in the Sun’s convective zone, directly below the photosphere. The grainy appearance of the solar photosphere is produced by the tops of these convective cells and is called granulation.
What causes the bubbling pattern of granulation that we see in the Sun’s photosphere quizlet?
the magnetic field of the Sun stops hot bubbles of gas from rising, causing the region to cool off. What is granulation in the Sun? the bubbling pattern on the photosphere produced by the underlying convection. What are (from granulation) granules?
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 the function of granulation astronomy?
Granulation. A collection of granules – a bright region or cell ( about 1000 km across), which cover the entire Sun except for those areas covered by sunspots. They are formed by hot gases rising to the photosphere, spreading and cooling and falling back again – hence the bright centre and darker edges.
Why do sunspots appear dark in pictures of the Sun?
Why do sunspots appear dark in pictures of the Sun? They are too cold to emit any visible light. They are holes in the solar surface through which we can see through to deeper, darker layers of the Sun. They actually are fairly bright, but appear dark against the even brighter background of the surrounding photosphere.
What is Surface of Sun called?
The Sun doesn’t have a solid surface like Earth and the other rocky planets and moons. The part of the Sun commonly called its surface is the photosphere. The word photosphere means “light sphere” – which is apt because this is the layer that emits the most visible light.