Understanding Our Universe
Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 11.4, Problem 11.4CYU
To determine

The activity that causes sunspots, flares, prominences and coronal mass ejections.

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given that the suns lifetime is about 10 billion years, estimate the life expectancy of (A) a 0.2-solar mass, 0.01-solar luminosity red dwarf
Sunspots are related to the Sun's a. core rotation b. magnetic field lines tangling c. gravitational fluxes d. rate of fusion
During the Maunder minimum a. solar brightness dropped slightly b. the average surface temperature of the sun dropped c. few sunspots were observed
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