Choose the correct answer to complete the paragraph about the acceptance of the heliocentric model.
In the second century BCE, the Greek astronomer Ptolemy tried to explain the backward movement of the planets by
using a solar system model that included
For centuries, this was the accepted model. During the
Renaissance, Nicholas
discovered the old heliocentric model of Aristarchus. In Aristarchus's model,
the rising and setting of the Sun was explained by the movement of the
Answers: 2
Physics, 22.06.2019 02:50, adrian08022
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 13:30, basketking333
Select the three ways that the parallel-plate capacitor differs from a car battery.
Answers: 1
Physics, 22.06.2019 18:00, kaylaamberd
Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
Answers: 1
Choose the correct answer to complete the paragraph about the acceptance of the heliocentric model.<...
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