Supermassive Black Holes: a Scientific Theory? Summarize All of the Available

question 138

Essay

Supermassive Black Holes: A Scientific Theory? Summarize all of the available evidence that active galaxies are powered by supermassive black holes. Do your best to assemble enough evidence that this explanation should be considered a scientific theory in the sense outlined at the end of Section 3.4 (The Nature of Science)of Chapter 3. Do you think astronomers have met this challenge?

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Definitions:

Balance of Payments

A financial statement summarizing a country's transactions with the rest of the world over a specified period, including trade, investment, and financial transfers.

Depreciation

The process of allocating the cost of a tangible asset over its useful life, reflecting wear and tear or obsolescence.

Balance Of Trade

The difference between a country's exports and imports of goods, without including services.

Goods Exports

Refers to the selling and shipment of tangible products from one country to another, contributing to a nation’s gross domestic exports.