A carbon-detonation supernova starts out as a white dwarf in a close binary system
Indicate whether the statement is true or false
TRUE
You might also like to view...
Gamma-ray bursts seem to be associated with violent events involving _______________
a. planets b. neutron stars c. black holes d. neutron stars or black holes
Which two energy sources can help a star maintain its internal thermal pressure?
A) nuclear fusion and gravitational contraction B) nuclear fission and gravitational contraction C) nuclear fusion and nuclear fission D) chemical reactions and gravitational contraction E) nuclear fusion and chemical reactions
A circular cylinder of height 1.20 m having faces of diameter 0.620 m is immersed in water of density 1.00 × 103 kg/m3 with its axis vertical so that its faces are parallel to the surface of the water
The upper face is 2.50 m below the surface of the water. The net force on this cylinder is observed to be 1120 N downward. Atmospheric pressure is 1.01 × 105 Pa. What net force does the water exert on the lower face of the cylinder? A) 7.40 × 103 N B) 1.09 × 104 N C) 3.79 × 104 N D) 4.14 × 104 N E) 1.37 × 105 N
A drop in pressure is an indication of
A) an approaching cold front. B) orographic lifting. C) adiabatic expansion. D) a stationary front.