Even though the heliocentric model of Copernicus had many advantages over the Ptolemaic model, it suffered from the assumption that the
A) planets moved in ellipses about the Sun
B) planets moved in perfect circles about the Sun
C) planets moved in perfect circles about the Earth
D) Earth was not rotating on its axis
B
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When one travels east while passing over a time zone boundary (ignoring daylight savings time issues),
a. the date is decreased one day. b. the time is decreased one hour. c. the time is advanced one hour. d. the date is advanced one day. e. none of these occurs.
The sun's X-ray and ultraviolet light output is greater than what we would expect based on the photosphere's temperature
Indicate whether the statement is true or false
The neap tide can occur at the ________ or ________ phases of the Moon
Fill in the blank(s) with correct word
A grandfather clock keeps time using a pendulum whose length is finely adjustable. If you have a grandfather clock that is running fast, should you shorten or lengthen the pendulum?
A. Shorten it B. Lengthen it C. You should reduce its mass D. You should add mass to it