Which of the following is closest in size (radius) to a neutron star?
A) Earth
B) a city
C) a football stadium
D) a basketball
E) the Sun
B
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During an adiabatic compression of an ideal gas
A) the internal energy of the gas remains constant. B) the temperature of the gas does not change. C) no heat enters or leaves the gas. D) no work is done on the gas. E) none of the above
A loop of gas following the magnetic field lines between sunspots' poles is:
A) a flare. B) a ray. C) a coronal hole. D) a prominence. E) a coronal mass ejection.
Regarding the effect of modern physics on the Newtonian worldview,
A) both the quantum and relativity theories alter the Newtonian worldview significantly, but quantum theory alters it more radically than relativity. B) quantum theory does not alter the Newtonian worldview, but relativity theory alters it significantly. C) relativity theory does not alter the Newtonian worldview, but quantum theory alters it significantly. D) quantum theory and relativity theory both alter the Newtonian worldview only slightly. E) both the quantum and relativity theories alter the Newtonian worldview significantly, but relativity alters it more radically than quantum theory.
All around the world, ancient cultures celebrated heroes, gods, and mythical beasts by naming groups of stars called _____
A) satellites B) constellations C) wormholes D) comets