Discuss the seasons of Uranus
What will be an ideal response?
Flopped over with a 98 degree tilt, Uranus' pole was pointing toward the Sun at solstice in 1986 when Voyager 2 flew past. With one hemisphere in constant daylight, the atmosphere was very bland. But by equinox in 2008, the whole planet was receiving eight hours of day and night, and the heating patterns were producing more normal jovian belts and zones. At each pole, you would get 42 years of constant Sun, then 42 years of darkness.
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Consider a two-slit interference experiment like the one shown in figure Q3.7b. The distance between adjacent bright spots in the interference pattern on the screen (A) increases, (B) decreases, or (C) remains the same if, (a) The wavelength of the light increases.
A. increases B. decreases C. remains the same
One of the methods used to date supernova remnants (the remains of exploded stars) today is by using
A. the works of Ptolemy. B. the records of ancient Chinese, Japanese, and Korean astronomers. C. Kepler's laws. D. the notebooks of Galileo.
You are in a place that is extremely hot and dense, making you feel quite sweaty and claustrophobic. You can't see far because your surroundings are opaque to light. Around you, nuclear fusion is converting carbon into oxygen and other elements
Where are you? A) You are in the center of a star very much like our Sun. B) You are in the early universe during the era of nucleosynthesis. C) You are inside a nuclear power plant on Earth. D) You are in the center of a massive star near the end of its life. E) You are in the center of a star much smaller than the Sun.
Temperature is a relative measure of
a. latent heat. b. hotness and coldness. c. internal energy. d. specific heat.