Juno discovered that the polar regions of Jupiter are far more chaotic than the belts and zones.
Answer the following statement true (T) or false (F)
True
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In a fairly young star cluster, if the most massive stars are swelling up into giants, the least massive stars are:
A) also evolving off the main sequence as well. B) continuing to shine as stable main sequence stars. C) blowing off shells as planetary nebula instead. D) collapsing directly to white dwarfs. E) still evolving toward their ZAMS positions.
As a spaceship's velocity gets closer to the speed of light with respect to an external observer, that observer will report that
A) its length will increase and its clock will run more slowly. B) its length will decrease and its clock will run faster. C) its length will decrease and its clock will run more slowly. D) its length will increase and its clock will run faster. E) None of these will happen.
A temperature difference of 10 Celsius degrees is also equal to a temperature difference of
10 on the A) Fahrenheit scale. B) Kelvin scale. C) both of these D) neither of these
Consider two current-carrying circular loops. Both are made from one strand of wire and both carry the same current, but one has twice the radius of the other
If the magnetic field strength at the center of the smaller loop is B, what is the magnetic field strength at the center of the larger loop? A) 8B B) 4B C) 2B D) B/2 E) B/4