What would happen if more mass was added to a 1.4 solar mass neutron star?
A) It would erupt as a Type I supernova.
B) It could eventually become a black hole, via a hypernova explosion.
C) It would grow larger, temporarily becoming a red giant again.
D) All of its protons and electrons would turn into quarks.
E) It would blow off mass as a gamma ray burster.
B
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Which of the following is not a good conservation law?
Estimation: Estimate how many pennies would you have to stack to reach from the floor to an average 8-ft ceiling.
A. 2 × 103 B. 2 × 102 C. 2 × 104 D. 2 × 105 E. 2 × 106
First Law of Thermodynamics: An ideal gas undergoes an adiabatic process while doing 25 J of work. What is the change in the internal (thermal) energy of the gas?
A. 0 J B. 25 J C. -25 J D. 50 J E. -50 J
All modern large optical telescopes are refractors
Indicate whether the statement is true or false