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In astronomy, inferometry can be used to |
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Definition
improve the angular resolution of telescopes |
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The temperature of the photosphere is about |
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What is the meaining of the solar constant? |
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The amount of energy the Earth recieves per unit area and per unit time |
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What two energy transport mechanisms, in order from outside the core to the surface, are found in the sun? |
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The outward pressure of hot gas in the sun |
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is balanced by the inward gravitational pressure |
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The solar winds blow outwards from |
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From inside out, what is the correct order for the structure of the Sun? |
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radiative zoe, convection zone, chromosphere |
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Term
Visible sunspots lie in the |
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granulation in the photosphere |
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Term
As the sun rotates an individual sunspot can be tracked across its face. From eastern to western limb this takes about |
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Term
The most striking example of solar variability was the |
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Maunder Minimum from 1645 - 1715 |
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come in pairs, representing the north and south magnetic fields |
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Term
During a period of high solar activity, the corona |
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Sunspots are dark splotches on the sun. Which statement is true? |
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They are extremely hot, but cooler than the surrounding areas of the sun |
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Term
While observing the sun, you note a large number of sunspots. What can you conclude? |
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Definition
There are likely to be an above average number of flares and prominences |
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Term
The critical temperature to initiate the proton-proton cycle in the cores of stars is |
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In the proton proton cycle, what happens to the lost mass? |
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Definition
It is converted to energy |
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Term
The primary source of the sun's energy is |
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Definition
the strong force fusing hydrogen into helium |
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Term
In the proton proton cycle the positron is |
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Definition
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Term
Which is the net result of the proton proton chain? |
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4 protons = 1 helium 4 + 2 neutrinos + gamma rays |
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Term
Hydrogen burning by fusion reaction occrs only in the deep interior of the sun because |
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Definition
the requisite conditions of high temperature and density occur |
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Term
What happens to protons produced by the nuclear reactions in the core of the sunÉ |
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They collide with electrons, producing energy |
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Which of these are not associated with the sun |
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