What kind of pressure prevents a white dwarf from collapsing?
A) neutron degeneracy pressure
B) electron degeneracy pressure
C) thermal pressure
D) radiation pressure
B) electron degeneracy pressure
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Red giants are huge because their outer layers have expanded to a very low-density tenuous atmosphere.
Answer the following statement true (T) or false (F)
The acceleration due to the Earth's gravity, in English units, is 32 ft/s2. In the absence of air friction, a ball is dropped from rest. Its speed on striking the ground is exactly 132 ft/s. From what height was the ball dropped?
A. 132 ft B. 421 ft C. 165 ft D. 272 ft
A sedimentary rock can turn into an igneous rock by
A) compaction and cementation. B) compaction. C) melting and cooling. D) weathering and lithification.
Particles made up of two quarks must consist of a quark-antiquark pair
Indicate whether the statement is true or false