What is the origin of the nitrogen in Titan's atmosphere?
A) gas captured from the solar nebula
B) breakdown of ammonia (NH3 ) by ultraviolet light from the Sun
C) outgassing from Titan's interior
D) impacts from comets
B
Physics & Space Science
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T = 400 K?
A. Lead B. Iron C. Both should be about the same.
Physics & Space Science
The alpha particle has twice the electric charge of the beta particle but deflects less than the beta in a magnetic field because it
A) moves much slower. B) moves much faster. C) has much more inertia. D) has much less inertia.
Physics & Space Science
The electronegativity of the inert-gas atoms is equal to:
(a) undefined (b) 0 (c) 1 (d) 2
Physics & Space Science
According to the Big Bang model, in the earlier state of the Universe gamma rays converted into ________.
A. hydrogen and helium B. pairs of matter and antimatter C. pairs of protons and neutrons D. X-rays
Physics & Space Science