Where is our solar system located within the Milky Way Galaxy?
A) very near the center of the galaxy
B) roughly halfway between the center and the edge of the visible disk of the galaxy
C) at the far edge of the galaxy's visible disk
D) in the halo of the galaxy
B
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Hubble's tuning fork diagram represents the evolution path of galaxies from elliptical to spiral.
Answer the following statement true (T) or false (F)
Which of the following is NOT icy in composition?
A) comet nuclei B) Kuiper Belt Objects C) the polar cap of Mars D) asteroids E) most Jovian satellites
You throw a ball up in the air and hold your hand under it to catch it when it comes down. The reason why the ball stops is because
A. your hand is there: your hand exerts no force on the ball. B. your hand exerts a force on the ball perpendicular to its velocity. C. your hand exerts a force on the ball in the direction of its velocity. D. your hand exerts a force on the ball in the direction opposite to its velocity. E. your hand and the ball exert forces in the same direction on each other.
In a collision between two objects of unequal mass, which object receives a greater magnitude impulse?
A) the object of larger mass B) the object of smaller mass C) They receive equal magnitude impulses.