Which is the smallest?
A) The distance from the Sun to the Andromeda Galaxy
B) The distance from the Sun to the Virgo cluster of galaxies
C) The distance from the Sun to the center of the Milky Way Galaxy
D) The Solar System.
E) The distance from the Sun to its nearest neighboring sta
Ans: D) The Solar System.
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If each copper atom in a wire were to contribute two conduction electrons instead of just one, its conductivity would
A. increase by a factor of 4. B. increase by a factor of 2. C. remain the same. D. decrease by a factor of 2. E. decrease by a factor of 4.
Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. When they hit the ground
A) both of them will have the same kinetic energy. B) the heavier one will have twice the kinetic energy of the lighter one. C) the heavier one will have four times the kinetic energy of the lighter one. D) the heavier one will have times the kinetic energy of the lighter one.
No evidence of impact craters has been found on Venus
Indicate whether the statement is true or false
The closest star to the Sun is named ______________
Fill in the blank(s) with correct word