Which of the following statements about the sunspot cycle is not true?
A) The number of solar flares peaks about every 11 years.
B) The rate of nuclear fusion in the Sun peaks about every 11 years.
C) The number of sunspots peaks approximately every 11 years.
D) The magnetic polarity of the Sun reverses approximately every 11 years.
E) At solar minimum, the first sunspots form at mid-latitudes on the Sun.
B
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In the grapefruit model of the solar system, it would take a few minutes to walk from the Sun to Pluto
Indicate whether the statement is true or false
The figure below shows a graph of angular velocity as a function of time for a car driving around a circular track. Through how many radians does the car travel in the first 10 minutes?
A. 30 B. 50 C. 70 D. 90 E. 100
A statement found to be experimentally valid over a wide range of observed phenomena is referred to as a
A) model. B) theory. C) law. D) principle. E) hypothesis.
The most striking "cloudmark" in Jupiter's atmosphere is the:
A) Great Dark Spot. B) Cassini Division. C) Great Red Spot. D) Black Hole. E) Brown Dwarf.