What did Galileo discover through his telescope when he looked at Jupiter, and how did it refute the Ptolemaic model?
What will be an ideal response?
That Jupiter had four moons in orbit about it, so Earth was not the center of all things. Ptolemy contended that all things move around the Earth.
You might also like to view...
The symbol indicating the number of nucleons in a nucleus is N
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
Suppose that a quanton’s energy is zero, irrespective of its spin orientation. Suppose further that we prepare this quanton in an arbitrary spin state 
. The probability of any possible experimental outcome for any spin observable will then be independent of time.
A diffraction grating has 300 lines per mm. If light of wavelength 630 nm is sent through this grating, what is the highest order maximum that will appear?
A) 8 B) 2 C) 6 D) 5 E) 5.3
The fundamental force that is the principal cause of what we experience as frictional forces is:
A. gravitational force B. electromagnetic force C. weak force D. strong force