The Voyager I and II spacecraft visited the jovian planets in the 1980s. When will they reach the distance of the nearest stars?
A) in our lifetime
B) in our children's lifetime
C) in our grandchildren's lifetime
D) about a hundred thousand years from now
E) about a million years from now
D
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Power: When a 14.0-A current flows through an 8.00-? device for 24.0 hours, how much does this cost if energy costs $0.0900 per kW ? h?
A. $0.24 B. $1.04 C. $2.16 D. $3.39
Refracting Telescope: The objective lens of a telescope has a focal length of 2.0 m and its eyepiece has a focal length of 1.0 cm. What is the magnification of this telescope when viewing Jupiter?
A. 0.0050 B. 0.50 C. 2.0 D. 20 E. 200
In the figure shown, what is a likely reason the two examples of colored text differ in color?
A. The links point to different kinds of content, such as a video and a subsidiary webpage. B. The color of one link has changed to indicate a followed link. C. The branding of the organization's webpage includes both of these colors. D. One color is intended to show greater emphasis.
About where is our solar system located within the Milky Way Galaxy?
a) about half way from the center of the galaxy to the outskirts of the galactic disk b) in the halo of the galaxy about the galactic disk c) near the far outskirts of the galactic disk