Consider the following statement: "Rocky asteroids are found primarily in the asteroid belt and Kuiper belt, while icy comets are found primarily in the Oort cloud." What's wrong with this statement?
A) The Kuiper belt contains icy comets, not rocky asteroids.
B) Asteroids are not really made of rock.
C) Comets are not really icy.
D) The Oort cloud has nothing to do with comets.
E) The statement is accurate as written.
A) The Kuiper belt contains icy comets, not rocky asteroids.
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The technique called _______ uses a high-speed computer to monitor atmospheric distortion and adjust the optics of a telescope to partially compensate for the seeing
a. photometry b. chromatic aberration c. active optics d. spherical aberration e. adaptive optics
Which statement about Jupiter's rings is FALSE?
A) They are made of dark dusty particles. B) They lie in the planet's equatorial plane. C) They lie closer to Jupiter than Io's orbit. D) They are made of ice, like Saturn's. E) They may be made in part of material from Metis and Adrastea.
Astronomy has shown us that the fundamental laws of physics are
A) the same everywhere in the universe B) the same in our solar system but different beyond the solar system C) completely random and unpredictable D) different on other planets in our solar system
A U-tube is partially filled with water and then an immiscible liquid is added to the right side. The top of the liquid is a distance h1 above the level of interface between the liquid and water. On the left side of the tube the top of the water is a distance h2 above the liquid-water interface on the right side. What is the density of the liquid in terms
of the density of water 
.
a.
