Which of these events is NOT possible?
A) low-mass stars swelling up to produce planetary nebulae
B) red giants exploding as Type II supernovae
C) close binary stars producing recurrent novae explosions
D) white dwarfs and companion stars producing recurrent Type I supernova events
E) a white dwarf being found in the center of a planetary nebula
D
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On a PV diagram, what kind of process is represented by a vertical line with an arrow pointing downward?
A. Isothermal expansion B. Isobaric compression C. Isothermal compression D. Adiabatic process E. Isobaric expansion F. Isochoric process
Semiconductors: In a good conductor, the highest energy band containing electrons is
A. only partially filled. B. completely filled. C. completely empty.
A typical neutron star is more massive than our Sun and about the size (radius) of ________
A) Earth B) the Moon C) a small asteroid (10 km in diameter) D) Jupiter
The peak of a body's blackbody radiation curve shifts toward longer wavelength as the temperature of the body __________
Fill in the blank(s) with correct word