In the 1800s, many people assumed that Venus would have tropical temperatures, but instead it is very hot. Explain why tropical temperatures would have made sense given what was known in the 1800s, and why Venus instead turns out to be very hot

What will be an ideal response?


If Venus had an atmosphere similar to ours—a reasonable assumption in the 1800s—it would have tropical temperatures. But instead it has a thick carbon dioxide atmosphere that causes a very strong greenhouse effect, thus explaining its very hot surface.

Physics & Space Science

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If you consider the total distance and total time for a trip, you are calculating a(an)

A. average speed B. constant speed C. instantaneous speed D. non-uniform speed

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A single-slit diffraction pattern is produced from a light source of wavelength 580 nm. The light goes through a single slit and onto a screen 1.0 m away. The first dark fringe is 5.8 mm from the central bright fringe. What is the slit width? (1 nm = 10-9 m)

a. 0.12 mm c. 0.081 mm b. 0.24 mm d. 0.10 mm

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What kind of gas is most affected by thermal escape?

A. greenhouse gases B. light gases C. all gases equally

Physics & Space Science