Why is Saturn's moon Titan able to retain an atmosphere?
a. Titan only contains light gases which are easy to retain.
b. Titan has a large enough mass and is cold enough.
c. Titan is biologically active.
d. It is so close to Saturn that Saturn's gravity retains Titan's atmosphere.
b
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Indicate whether the statement is true or false
Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart
Half way between the two plates the electric field has magnitude E. If the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates? A) 4E B) 2E C) E D) 0 E) E/2
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