Explain the Reasoning That Leads Astronomers to Believe That Our

question 49

Essay

Explain the reasoning that leads astronomers to believe that our galaxy is surrounded by a cloud of "dark matter".

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Definitions:

Absolute Differences

Absolute differences involve calculating the absolute value of the difference between two numbers, emphasizing the magnitude of the difference without considering direction.

Seasonal Variation

Seasonal variation refers to periodic fluctuations in statistical data that occur at the same time every year, often due to the influence of social, economic, or environmental factors.

Forecasting Method

A set of statistical tools and techniques used to predict future events based on historical data and trends.

Large Deviations

Significant departures from the mean or median of a distribution, often indicating outliers or unusual variability in a dataset.