2. Calculate the time required for each of the following to travel...
Question
2. Calculate the time required for each of the following to travel the Sun-Earth distance:
(a) visible light produced in the photosphere.
(b) x-rays from a flare.
(c) solar wind particles traveling at 400 km/s.
3. Assuming that the present processes within the Sun will continue, estimate how long the Sun can last if it is losing mass at the rate of 5 thousand million kilograms per second?
4. What is the Zeeman effect and how does it help us study the Sun?
5. Describe the 22-year solar magnetic cycle. How is it related to the sunspot cycle?
6. What is the "butterfly" pattern and what does it tell us about the formation of sunspots?
7. Using Wien's law, at what wavelength does the Sun emit the most electromagnetic radiation? Is this in the visible part of the electromagnetic spectrum? If so, to what color does this correspond?
8. What is the Sun's total luminosity? What is the amount of power that intersects one square meter at the Earth? At Mars (1.5 A.U)?
(a) visible light produced in the photosphere.
(b) x-rays from a flare.
(c) solar wind particles traveling at 400 km/s.
3. Assuming that the present processes within the Sun will continue, estimate how long the Sun can last if it is losing mass at the rate of 5 thousand million kilograms per second?
4. What is the Zeeman effect and how does it help us study the Sun?
5. Describe the 22-year solar magnetic cycle. How is it related to the sunspot cycle?
6. What is the "butterfly" pattern and what does it tell us about the formation of sunspots?
7. Using Wien's law, at what wavelength does the Sun emit the most electromagnetic radiation? Is this in the visible part of the electromagnetic spectrum? If so, to what color does this correspond?
8. What is the Sun's total luminosity? What is the amount of power that intersects one square meter at the Earth? At Mars (1.5 A.U)?
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2. The distance to the Sun is 150,000,000 km.
The photosphere photons and X-rays travel with the speed of light which is 300,000 km/s, so they take 500 seconds to arrive, which is about 8.3 minutes.
The solar wind particles take 375,000 seconds to arrive, which is about 104 hours or 4.3 days.
3. Current solar mass is 2
The photosphere photons and X-rays travel with the speed of light which is 300,000 km/s, so they take 500 seconds to arrive, which is about 8.3 minutes.
The solar wind particles take 375,000 seconds to arrive, which is about 104 hours or 4.3 days.
3. Current solar mass is 2
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