How does Pluto's perihelion distance compare to Neptune's?
What will be an ideal response?
Pluto can come closer in its eccentric orbit to the Sun than Neptune does in its more normal circular orbit.
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Liquid metallic hydrogen is found in the interior(s) of
a. Uranus. b. Neptune. c. Uranus and Neptune. d. neither Uranus nor Neptune.
The closest terrestrial analog to hours of right ascension is angle of longitude
Indicate whether the statement is true or false
EMF's from electrical lines ________
a. drop off with the distance squared from the line b. are only an influence for high voltages c. have been positively shown to cause cancer in children d. are not important inside houses.
Gravitational Force: Two small objects, with masses m and M, are originally a distance r apart, and the magnitude of the gravitational force on each one is F. The masses are changed to 2m and 2M, and the distance is changed to 4r. What is the magnitude of the new gravitational force?
A. F/16 B. F/4 C. 16F D. 4F E. F/2