Compare the atmospheres of Mars and Venus
A) Both are made of hydrogen and helium, like the jovians.
B) Like Earth, nitrogen is the chief atmospheric gas.
C) Both are chiefly carbon dioxide, but at Mars it can freeze as dry ice.
D) Mars is rich in oxygen, like ours, accounting for its red surface.
E) Both are too hot for water to now exist as a liquid at the surface.
C
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A soap bubble has an index of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530. nm wavelength light?
What will be an ideal response?
Develop a reasonable layout of nodes and control volumes for the geometry shown in the sketch below. Provide a scale drawing showing the problem geometry overlaid with the nodes and control volumes. Identify each type of control volume used.
GIVEN
• Rectangular problem geometry with corners removed
FIND
(a) Reasonable layout of nodes and control volumes.
(b) Identify each type of control volume.
SKETCH
The two names most associated with the discovery of Pluto are
A) Adams and Leverrier. B) Herschel and Bode. C) Kuiper and Whipple. D) Lowell and Tombaugh. E) Shoemaker and Levy.
After the first solid grains formed in our solar system, these particles could then grow by the process of ____________, the collision and sticking of one particle with another to continue the formation of planetesimals. Each of these has many atoms or molecules
a. accretion b. sublimation c. hydration d. condensation e. vaporization