subject
Physics, 25.10.2019 18:43 ssteitzsophiee111

Ptolemy and copernicus were astronomers who had proposed theories about the solar system. ptolemy believed that the planets and the sun orbited earth. copernicus believed that earth and other planets circled a stationary sun. which of these statements best explains why ptolemy and copernicus made different observations about the solar system?

they studied outdated theories and evidences.
they had different backgrounds and interests.
they used incorrect methods of experimentation.
they made errors in their scientific calculations.

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 18:00
Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?
Answers: 2
question
Physics, 21.06.2019 22:00
Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 2
question
Physics, 22.06.2019 00:00
Why is metal often used for cooking pan?
Answers: 2
question
Physics, 22.06.2019 04:50
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
You know the right answer?
Ptolemy and copernicus were astronomers who had proposed theories about the solar system. ptolemy be...
Questions
question
Physics, 17.02.2021 19:10
question
Advanced Placement (AP), 17.02.2021 19:10
question
Health, 17.02.2021 19:10
question
History, 17.02.2021 19:10
question
Mathematics, 17.02.2021 19:10
Questions on the website: 13722367