What did the Huygens probe photograph as it landed on Titan?
A) a pockmarked surface covered with volcanos
B) a water world of frozen ice sheets
C) dry, featureless plains
D) nothing; there was zero visibility due to the methane smog
E) hills, valleys and rivers
E
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A musical tone, sounded on a piano, has a frequency of 820 Hz and a wavelength in air of 0.400 m. What is the wave speed?
a. 587 m/s c. 235 m/s b. 328 m/s d. 170 m/s
Thin Lenses: A convex lens has focal length f. If an object is placed at a distance between f and 2f from the lens on the principal axis, the image is located at a distance from the lens
A. of 2f. B. between f and 2f. C. of f. D. that is greater than 2f. E. of infinity.
How is right ascension similar to longitude on Earth?
What will be an ideal response?
Around other suns, we have found Jupiters where Mercury is in our solar system
Indicate whether the statement is true or false