Does Venus have auroras around its poles, like Earth? Why or why not?
A) no, because it lacks a global magnetic field
B) yes, because it is bombarded by charged particles from the Sun
C) no, because its atmosphere is too thick
D) yes, because strong winds generate light near its poles
A) no, because it lacks a global magnetic field
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Explain why it is a common misconception that Galileo faced the Inquisition for his belief in a heliocentric Universe
What will be an ideal response?
A cupful of liquid water placed on the surface of Mars would
A. quickly boil and evaporate. B. rapidly cool but remain liquid. C. expand rapidly and shatter. D. quickly freeze into solid ice.
________ clusters are much older and richer than open clusters
Fill in the blank(s) with correct word
The principle of equivalence tells us that
A) mass and energy are forms of each other. B) space and time are forms of each other. C) electricity and magnetism are forms of each other. D) observations made in an accelerating reference frame are indistinguishable from those made in a gravitational field. E) all of the above