How far does light travel in 100 years?
A: 100 miles.
B: 100 wavelengths.
C: 100 light years.
D: 100 astronomical units.
E: 100 parsecs.
Ans: C: 100 light years.
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Pluto was discovered in
A) ancient times. B) 1789. C) 1859. D) 1930. E) 1992.
The operation of a bimetallic strip relies on differences in
A) expansions of metals. B) conductivities of metals. C) heat capacities of metals.
Which one of the following is not one of the four major features of the solar system?
A. Large bodies in the solar system have orderly motions. B. Planets fall into two major categories (terrestrial and jovian). C. Several exceptions to the general trends stand out. D. Swarms of asteroids and comets populate the solar system. E. The solar system contains eight planets plus dwarf planets (such as Ceres, Pluto, and Eris).
According to Planck's hypothesis, the energy of an oscillator is directly proportional to its ______________
Fill in the blank(s) with correct word