One” Day” in the Life of our Sun
August 22nd 2011 04:07
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Sun
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Many of us see the Sun as a bright object in the sky that provides us with energy in the form of heat and light.
Our Sun acts as an anchor point which serves to keep our Solar System in check.
The orange ball of light in the sky is also responsible for our climatic weather patterns here on Earth.
The Sun is crucial to our survival, yet we sometimes forget that our Sun is a Star.
Our Sun is not very large when compared to other stars throughout the universe.
Like many other stars our Sun is a seething cauldron of superheated plasma
Fired by a nuclear furnace. From time to time the Sun can unleash massive solar flares.
These Solar storms can wipe out an entire nation communication system, it can cause
Havoc to power grids air travel and satellites. Predicting when these solar storms will occur would enable us to undertake protective measures to minimise the disruption to our infrastructure.
Our current method of predicting solar storms is not accurate. Sunspots can give us here on Earth some indication of what is happening beneath the Sun’s surface.
Sunspots are created in active solar regions that have intense, concentrated magnetic fields that is why Sunspots appear dark when they reach the surface of the sun.
When the Sunspots reach the Sun’s surface the magnetic disturbance can trigger solar storms of various intensities.
Better methods in predicting how and when these solar storms will reach Earth are essential if we are to prepare for world wide disruption to our power and communication systems.
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A new key method is monitoring acoustic waves generated inside the sun. Acoustic waves are generated by the violent motion of plasma and gases that are in constant motion.
Acoustic tracking is a method used to measure the acoustic waves travelling within the sun. A similar method is used on Earth to measuring geological seismic waves.
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