Stellar Astrophysics : The Music of Sun !

Stellar Astrophysics : The Music of Sun !

1. What does Helioseismology tell us about the sun?

2. Does the sun oscillate?

3. Does the sun produce sound?

The Sun resembles an immense melodic instrument. It rings like a chime/bell, and vibrates like an organ pipe, Much the same as a piano has 88 keys or the melodic notes consists, the Sun has 10 million keys. Astrophysicists especially people who study helio-physics  are estimating the sun energy in the form of music, listening to the Sun’s pulse, to figure out what’s going on inside the Sun. Not exactly the Music part is vital here but the internal activities of the sun can be studied through this process.

You might consider how the idea of sound in the sun and its execution of Sound of the solar sound began? it is truly an interesting topic.

To explain you, consider musical instruments, these must be played by striking, plucking, blowing Air into it, or Rhythmically beating some part of it. This exchanges similar thoughts like a musical instrument does and begins the sound.

In the sun, it’s a process called “convection” that begins the sound. Convection Is exceptionally common thing that can strike to us all in the kitchen – the bubbling water in your tea kettle or Tea pot can be taken as a example. This is clearly an uproarious procedure, Isn’t it?

In the sun, this happens near the surface where the hot stream of high energy particles that started in the atomic reactions in the center achieves/reaches the surface and suddenly escapes. The sun energy based convection produces gigantic rises on the sun surface  that can be effectively observed, and is classified “granulations”. The commotion from the convection is then caught and sifted(explore) inside the sun to produce the sun oriented music, Yes, this requires a much sophisticated devices and equipment to convert into audible sound.

You might consider how the idea of sound in the sun and its execution of Sound of the solar sound began? It is truly an interesting topic.

To explain you, consider musical instruments, these must be played by striking, plucking, blowing Air into it, or Rhythmically beating some part of it. This exchanges similar thoughts like a musical instrument does and begins the sound.

In the sun, it’s a process called “convection” that begins the sound. Convection Is exceptionally common thing that can strike to us all in the kitchen – the bubbling water in your tea kettle or Tea pot can be taken as a example. This is clearly an uproarious procedure, Isn’t it?

In the sun, this happens near the surface where the hot stream of high energy particles that started in the atomic reactions in the center achieves/reaches the surface and suddenly escapes. The sun energy based convection produces gigantic rises on the sun surface  that can be effectively observed, and is classified “granulations”. The commotion from the convection is then caught and sifted(explore) inside the sun to produce the sun oriented music, Yes, this requires a much sophisticated devices and equipments to convert into audible sound.

Since the vibrations of the sun energy make portions of the outside part of the Sun make move here and there, a rhythmic movement,This is great, since there is no air between the Sun and the Earth. Since sound does not Travel in vacuum, there is no chance to get to hear the sound. But, we can utilize highly dedicated cameras/Instruments to watch the outside of the Sun that vibrates Up and down. It is the movements on the outside part of the Sun that tell astronomers about within the Sun. May be this helps us to know the stellar physics of the sun.

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Extra :

Does the sun produce sound?

Solar oscillation modes are interpreted (to first order) as vibrations of a spherically symmetric self-gravitating fluid in hydrostatic equilibrium.

1. Pressure modes (p-modes) : Pressure modes are in essence standing sound waves. The dominant restoring force is the pressure (rather than buoyancy), hence the name. All the solar oscillations that are used for inferences about the interior are p-modes, with frequencies between about 1 and 5 millihertz. They span angular degrees from zero (purely radial motion) to several hundred.

2. Gravity modes (g-modes): Gravity modes are lower-frequency modes that are confined to the convectively-stable interior. The restoring force is buoyancy and thus indirectly gravity, from which they take their name. They are evanescent in the convection zone and therefore have tiny amplitudes at the surface. No individual g-modes have been detected but indirect detection have been claimed.

3. Surface gravity modes (f-modes) : Surface gravity waves are analogous to waves on deep water.

Stellar Astrophysics : The Music of Sun ! By Akshay kumar das

These are solar sounds generated from 40 days of the Solar and Heliospheric Observatory’s (SOHO) Michelson Doppler Imager (MDI) data and processed by A. Kosovichev.

Credits: A. Kosovichev, Stanford Experimental Physics Lab

Credit: NASA’s Goddard Space Flight Center

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Does the sun produce sound_

Copyright © 2018 by Akshay Kumar [Samal das akshay] All rights reserved. This Post or any portion thereafter may not be reproduced or used in any manner whatsoever without the express written permission of the publisher.

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