On a Hertzsprung-Russell diagram, where would we find white dwarfs?
A) upper right
B) lower right
C) upper left
D) lower left
D
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Which of the following discoveries was NOT made by Voyager 1 or 2?
A) Jupiter has an encircling ring. B) Jupiter's magnetosphere extends beyond the orbit of Saturn. C) Jupiter has cloud bands in its upper atmosphere. D) Jupiter's moons are as varied as the surfaces of the terrestrial planets. E) Jupiter's Great Red Spot is characterized by swirling patterns much like a hurricane.
The satellite Amalthea orbits Jupiter at just about the same distance in kilometers at which Mimas orbits Saturn. Yet Mimas takes almost twice as long to orbit
What can you deduce from this difference qualitatively? Since Jupiter and Saturn are not very different in radius, what else can you conclude?
To a large degree, the ________ has replaced photographic film for astronomical imaging
Fill in the blank(s) with correct word
A 1.500 m long uniform beam of mass 30.00 kg is supported by a wire as shown in the figure. The beam makes an angle of 10.00 degrees with the horizontal and the wire makes and angle of 30.00 degrees with the beam. A 50.00 kg mass, m, is attached to the end of the beam. What is the tension in the wire?
A. 2,034 N
B. 1,855 N
C. 1,435 N
D. 1,255 N
E. 1,035 N