Through radar observations it was found that Venus':
A) orbit around the Sun is speeding up.
B) atmosphere is changing rapidly.
C) rotation on its axis is retrograde.
D) orbit around the Sun is in the clockwise sense.
E) orbital period is 243 days.
C
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Terrestrial planets grew slowly and the Jovian planets grew quickly
a. True b. False Indicate whether the statement is true or false
The following figures show a top view of Earth, sunlight, and six different positions of the Moon as it orbits Earth. Note that the distances shown are not drawn to scale. Rank each of the six lunar positions from left to right based on the amount of the Moon’s illuminated surface that is visible from Earth, from greatest to least. (If two diagrams have an equal amount of illumination as seen from Earth, put one on top of the other.)
A tree stump is pulled northward by a 10-N force at the same time a 25-N force pulls it southward. The resultant force has a magnitude of
A) 0 N. B) 15 N. C) 25 N. D) 150 N.
You are feeling like spaghetti. Although normally only about 2 meters tall, you are now about 25 meters long
(How fortunate, if painful, that the being has arranged for your body to become elastic enough so that it is not ripped apart under these conditions.) As you look up over your head, you see things moving pretty quickly in the universe—but that lasts only for a brief instant, and then all contact with the universe is lost. Where are you? A) You are plunging into the Sun. B) You are crossing the event horizon of a black hole. C) You are being consumed by a "crack" in the universe caused by inflation. D) You are near the center of a star that has just developed an iron core, leading to a supernova. E) You are in a medieval torture chamber somewhere in western Europe.