Refractor telescopes suffer from this separation of light into its component colors
A) limited diffraction
B) spherical aberration
C) chromatic aberration
D) bad seeing
E) refraction
C
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The critical evidence for cosmic acceleration in 1998 came from two teams of astronomers, both observing:
A) hypernovae. B) gamma ray bursts. C) type I supernovae. D) type II supernovae. E) ages of globular clusters.
The singularity of a black hole is where general relativity predicts the density to become infinite
Indicate whether the statement is true or false
Scale the Milky Way down to the size of a compact disc. Which of the following best describes the size, shape, and distance of the Andromeda Galaxy on the same scale?
A) a compact disk a few meters away B) a pecan nut about 1 centimeter away C) a grapefruit about 1 kilometer away D) a grapefruit a few meters away E) a compact disk about the length of a football field away
Which of the following operations will not change a vector?
A) Translate it parallel to itself. B) Rotate it. C) Multiply it by a constant factor. D) Add a constant vector to it. E) Subtract a constant vector from it.