Which of the following statements is true of the rings of Jupiter?
A) They must be made of icy material.
B) They look bright when illuminated from front.
C) They look light and bluish.
D) They must be continuously resupplied with new dust.
D
You might also like to view...
Which of the following is a major reason why it so difficult to obtain direct images of extrasolar planets?
A) The light of the planets is overwhelmed by the light from their star. B) Extrasolar planets give off light at different wavelengths than planets in our solar system. C) No telescope is powerful enough to detect the faint light from a distant planet. D) Telescopes are too busy with other projects.
How big is the normal audible range for humans?
a. Almost 2,000 hertz. b. Almost 200 hertz. c. Almost 200,000 hertz. d. Almost 2,000,000 hertz. e. Almost 20,000 hertz.
If a string of length L, fixed at both ends, is made to resonate at its lowest possible frequency, what is the wavelength associated with that resonance?
A. L B. 2L C. L/2 D. 0.707L E. 1.414L
Which of these celestial bodies is rocky with a thin atmosphere?
a. Ceres b. Eris c. Neptune d. Uranus e. Pluto