Describe the possible origins of Jupiter's vibrant colors. Contrast these with the origins of the colors of the other jovian planets
What will be an ideal response?
The white zones of Jupiter's atmosphere are white because of ammonia clouds. The red and brown colors of the belts are produced by light reflected from deeper ammonium-hydrosulfide clouds. Saturn's reds and tans probably come from the same compounds that produce these colors on Jupiter. However, they are more muted because these cloud layers lie deeper within Saturn's atmosphere, under a thicker layer of tan "smog." The blue colors of Uranus and Neptune are produced by methane gas, which absorbs red light and transmits blue.
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Derive an equation in the form ch = f(T, D, U?) for flow of air over a long horizontal cylinder for the temperature range 0°C to 100°C, using as a basis.
GIVEN
• Flow over a long horizontal cylinder
• Air temperature range is 0°C < T < 100°C
FIND
• An equation in the form ch = f(T, D, U?) based on Equation (6.3)
ASSUMPTIONS
• Steady state
• Prandtl number variation is negligible
SKETCH
How does the diffraction pattern due to an opaque wire compare to the diffraction pattern due to a slit with the same width?
A. The slit creates wider pattern B. The slit creates a narrower pattern C. The slit and wire create the same pattern D. The wire does not create a diffraction pattern.
Solar neutrinos take a little more than eight hours to get from the Sun's core to Earth
Indicate whether the statement is true or false
A series circuit consists of three identical lamps connected to a battery as shown in Figure OQ28.15. The switch S, originally open, is closed. What then happens to the brightness of lamp B?