How would Ptolemy explain the rising of the Sun? Contrast this to Copernicus' explanation of the same event
What will be an ideal response?
Ptolemy would say that the celestial sphere rotated westward, carrying the Sun over our eastern horizon. Copernicus said that we, the Earth, rotate eastward once a day, and we turn to see the Sun on our eastern horizon at sunrise.
You might also like to view...
The H-R diagram of a young star cluster shows
a. that high-mass stars have not yet reached the main sequence yet. b. that low-mass stars have not yet reached the main sequence yet. c. mainly giant stars. d. no stars since none have reached the main sequence yet.
The graphs below show the phasors ?Vmax and Imax for five RLC series circuits. The solid arrows represent the voltage phasors, ?V, and the dashed arrows represent the current phasors, Imax. Which graph represents a circuit where the inductive reactance is greater than the capacitive reactance?
a.
b.
c.
Due to increased access to high-speed Internet access methods, the file size of your webpages is no longer a consideration.
Answer the following statement true (T) or false (F)
One hemisphere of Enceladus may have the youngest surface of any of the jovian moons, with volcanoes spewing "ash" and "lava flows" of ________
Fill in the blank(s) with correct word