A recent sunspot maximum occurred in 2013 . What is the year of the sunspot maximum that immediately follows the 2013 maximum if the solar cycle continues?
a. 2017
b. 2019
c. 2022
d. 2024
e. The last cycle started a Maunder minimum and the next maximum cannot be predicted.
d
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After our Sun dies, will it ever undergo a nova explosion? Why or why not?
A) no, because it does not have a close binary companion B) no, because our Sun will become a neutron star, not a white dwarf C) yes, because our Sun will become a white dwarf D) yes, because all stars undergo novae explosions after they die
Which of the following statements comparing Uranus and Neptune is correct?
A. Neptune has larger diameter and smaller mass. B. Uranus has larger diameter and more mass. C. Neptune has larger diameter and more mass. D. Uranus has larger diameter and Neptune has more mass.
The observed relativistic length of a super rocket moving by the observer at 0.70c will be what factor times that of the measured rocket length if it were at rest?
a. 0.55 b. 0.71 c. 0.51 d. 1.4 e. 1.8
What is the time constant of the circuit shown in Figure OQ28.7? Each of the five resistors has resistance R, and each of the five capacitors has capacitance C. The internal resistance of the battery is negligible