Why don't we expect to find life on planets orbiting high-mass stars?
A) The stars are too hot to allow for life.
B) Planets cannot have stable orbits around high-mass stars.
C) The high-mass stars emit too much ultraviolet radiation.
D) The lifetime of a high-mass star is too short.
D
You might also like to view...
Impedance: For a series ac circuit consisting of a resistance of 13.0 k?, a capacitance of 7.0 ?F, and an inductance of 35.0 H, what frequency is needed to minimize the impedance if the voltage amplitude is 110 V?
A. 0.010 kHz B. 0.064 kHz C. 12 kHz D. 2.1 kHz
A 2.00 kg pendulum bob on a string 1.50 m long, is released with a velocity of 3.00 m/s when the support string makes an angle of 45.0 degrees with the vertical. What is the angle with the vertical the bob makes at the highest point of its motion?
A. 47.5 degrees B. 50.0 degrees C. 59.8 degrees D. 66.4 degrees E. 75.3 degrees
Orbital Angular Momentum: What is the minimum angle between the z-axis (or any other axis you choose) and the orbital angular momentum of an electron in the n = 4 state?
A. 30.0° B. 41.4° C. 60.0° D. 45.0°
Which are consequences of different speeds of light in different media?
A) mirages B) rainbows C) brilliant colors of diamonds D) all of the above E) none of the above