Dwarf planets grew large in the solar nebula but never became large enough to capture or eject other objects orbiting nearby
a. True
b. False
Indicate whether the statement is true or false
True
Physics & Space Science
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White dwarfs are dense, cool, and dim
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
If the radius of the earth is 6400.0 km and the atmosphere is 10.0 km high, then the volume of air around the earth is
A. 
B. 
C. 
D. 
Physics & Space Science
What does CCD stand for?
A. cosmic-ray channel detector B. charge collecting device C. channel-coupled detector D. charge-coupled device
Physics & Space Science
Three resistors connected in series each carry currents labeled I1, I2 and I3 . Which of the following expresses the value of the total current IT in the system made up of the three resistors in series?
a. IT = I1 + I2 + I3 b. IT = (1/I1 + 1/I2 + 1/I3) c. IT = I1 = I2 = I3 d. IT = (1/I1 + 1/I2 + 1/I3)?1
Physics & Space Science