An astronomical unit is the mass of the sun 10 light-years the distance from earth to the sun the diameter of the earth

The correct answer for the question that is being presented above is this one: "10 light-years the distance from Earth." An astronomical unit is 10 light-years the distance from Earth. The unit of astronomy or the astronomical unit is very different from the one we know already, such as the metric and the English.

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor:

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