Suppose we make a scale model of our solar system, with the Sun the size of a grapefruit. Which of the following best describes what the planets would look like?
A) The planets are all much smaller than the Sun. Four planets are within about 20 meters of the Sun, while the rest planets are spread much farther apart.
B) The planets are all much smaller than the Sun and are spread out evenly over a distance about the length of a large classroom.
C) The planets are all much smaller than the Sun. Four planets are located within a few centimeters of the Sun, and four planets are located at distances ranging up to about a meter.
D) The planets range in size from about the size of a marble to the size of a baseball. They are spread out over 100 meters.
A
You might also like to view...
One _____ equals the distance to an imaginary star that has a parallax of 1 arc second
A) parsec B) light year C) astronomical unit D) kilometer
The heater element of a particular 120-V toaster is a 8.9-m length of nichrome wire, whose diameter is 0.86 mm. The resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6 ? ? m
If the toaster is operated at a voltage of 120 V, how much power does it draw? A) 720 W B) 700 W C) 750 W D) 770 W E) 800 W
Energy resulting from motion is called ______________
Fill in the blank(s) with correct word
Stars to the upper left of the Hertzsprung-Russell diagram tend to be relatively
A) hot and blue. B) long lasting. C) huge. D) yellow and of average size.