What evidence can you give that the corona has a very high temperature?
Q: A star has a surface temperature of T = 10,000 K and a radius three times that of the Sun, R = 3R…
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A: Maunder minimum is a time of reduced sunspot activity.
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A: we know that dFdt=QQ=10Ch-1 now, total derivative of the above will give ∂T∂t= dTdt-V*∇T
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Q: what the Sun would look like from Earth if the entire photosphere were the same temperature as a…
A: AnswerReddish-orange
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Q: How long does it take for energy produced in the Sun's core to reach the photosphere?
A: Ans. (E) : a few hundred thousand years. Explanation :-
Q: 80 Sun energy flux: 63 x 10 Wim at the Sun surface 1370 Wim solar constant reaching Earth 342 Wi…
A: Given:
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- How does energy makes its way from the nuclear core of the Sun to its atmosphere? Choose the correct order for each layer. → O radiative zone, convection zone, photosphere, chromosphere, transition region, corona O convection zone, radiative zone, chromosphere, photosphere, transition region, corona convection zone, radiative zone, photosphere, chromosphere, transition region, corona O radiative zone, convection zone, chromosphere, transition region, photosphere, corona O radiative zone, convection zone, chromosphere, photosphere, transition region, corona #m с d $ 4 e 30 f % 5 t g bo 6 M 7 & 7 h O u 8 9Two stars have the same diameter and are at the same distance from us (but in different parts of the sky.) Star A has a temperature of 4000 K, while star B has a temperature of 8000 K. How many times greater is the energy flux of star B compared to star A? (Hint: Use proportional reasoning.)Give the following figure of the sun, label the features observed and describe some of the characteristics.
- Description: Imagine you are comparing the five electric hot plates (A – E) of different sizes and temperatures. The temperature of each hot plate is indicated by a shade of gray such that the lighter the shade of gray, the higher the temperature of the hot plate. D B E A A. Ranking instructions: Rank the surface area (from largest to smallest) of the hotplates. Ranking Order: Largest 1 3 4 5 Smallest Or, all the hotplates have the same surface area. (indicate with a check mark) Carefully explain your reasoning for ranking this way: B. Ranking instructions: Rank the temperature (from hottest to coldest) of the hotplates. Ranking Order: Hottest 1 2. 3 4 5 Coldest Or, all the hotplates have the same temperature (indicate with a check mark) Carefully explain your reasoning for ranking this way:Suppose thermonuclear fusion in the Sun’s core stopped abruptly. Would the intensity of sunlight decrease just as abruptly? Why or why not?why does nuclear fusion in the sun only occur near the center?
- If the color of the sun's photosphere's maximum intensity light is green, is this the color we normally observe for the photosphere? Why or why not? (I would assume it is not, but I do not know why...)62. Pressure of the Photosphere. The gas pressure of the photosphere changes substantially from its upper levels to its lower levels. Near the top of the photosphere, the temperature is about 4500 K and there are about 1.6 x 1016 gas particles per cubic centimeter. In the middle, the temperature is about 5800 K and there are about 1.0 x 10" gas particles per cubic centimeter. At the bottom of the photosphere, the temperature is about 7000 K and there are about 1.5 × 10" gas particles per cubic centimeter. Use the ideal gas law (Mathematical Insight 14.2) to compare the pressures of each of these layers; explain the reason for the trend that you find. How do these gas pressures compare with Earth's atmospheric pressure at sea level?13 What is the solar wind? (A) The uppermost layer of the Sun, lying just above the corona B A stream of charged particles flowing outward from the surface of the Sun с D The wind that causes huge arcs of gas to rise above the Sun's surface The strong wind that blows sunspots around on the surface of the Sun
- Describe what the Sun would look like from Earth if the entire photosphere were the same temperature as a sunspot.The hottest star in the Orion Nebula has a surface temperature of 40,000 K. At what wavelength does it radiate the most energy?How can astronomers observe through these dusty clouds? What can possibly happen in these clouds in millions of years?