While Our Milky Way's Black Hole Is Not Massive Enough

question 25

Essay

While our Milky Way's black hole is not massive enough to have once been quasar,it must have passed through its Seyfert phase by 3.5 billion years ago.Explain how we know this.

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Graph

A diagram representing data visually using lines, bars, or other symbols.

Marginal Revenue

The additional financial return from selling a further unit of a good or service.

Marginal Cost

The increase in cost that arises from producing an additional unit of a good or service.

Profits

The financial gain made in a transaction or operation, calculated as the difference between revenue and costs.