Physics, 28.01.2020 08:31 kcjr

Why does the moon only take 27.3 days to revolve around the earth but 29.5 days to go through the full moon phases

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Answer from: ks970065

Here's a brief Start at the full Moon. The Moon moves through its orbit and finds itself in the same position relative to the Earth that it was in at the last full Moon. But the Earth has also moved, in its orbit around the Sun, over the same period of time. So, the Moon has to go farther than 360 degrees of orbit in order to get to that full Moon position again. The cycle of phases is about 29.5 days. After 27.3 days, the Moon has revolved through a full 360 degrees relative to the stars.
When a body orbits another and moves to the point where it is in the same position relative to the Sun, that is the "synodic period". The Moon phase cycle is a synodic period. When a body orbits another a full 360 degrees relative to the distant stars, that is a "sidereal period".

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Answer from: Quest

relativism, roughly put, is the view that truth and falsity, right and wrong, standards of reasoning, and procedures of justification are products of differing conventions and frameworks of assessment and that their authority is confined to the context giving rise to them. more precisely, “relativism” covers views which maintain that—at a high level of abstraction—at least some class of things have the properties they have (e.g., beautiful, morally good, epistemically justified) not simpliciter, but only relative to a given framework of assessment (e.g., local cultural norms, individual standards), and correspondingly, that the truth of claims attributing these properties holds only once the relevant framework of assessment is specified or supplied. relativists characteristically insist, furthermore, that if something is only relatively so, then there can be no framework-independent vantage point from which the matter of whether the thing in question is so can be established.

relativism has been, in its various guises, both one of the most popular and most reviled philosophical doctrines of our time. defenders see it as a harbinger of tolerance and the only ethical and epistemic stance worthy of the open-minded and tolerant. detractors dismiss it for its alleged incoherence and uncritical intellectual permissiveness. debates about relativism permeate the whole spectrum of philosophical sub-disciplines. from ethics to epistemology, science to religion, political theory to ontology, theories of meaning and even logic, philosophy has felt the need to respond to this heady and seemingly subversive idea. discussions of relativism often also invoke considerations relevant to the very nature and methodology of philosophy and to the division between the so-called “analytic and continental” camps in philosophy. and yet, despite a long history of debate going back to plato and an increasingly large body of writing, it is still difficult to come to an agreed definition of what, at its core, relativism is, and what philosophical import it has. this entry attempts to provide a broad account of the many ways in which “relativism” has been defined, explained, defended and criticized.

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Answer from: Quest

i don't know that i agree with that but what's the question ?

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