In M82, Observations Indicate That There Are Several Bright Sources

question 45

Multiple Choice

In M82, observations indicate that there are several bright sources close to the center of the galaxy. These might be

• A) supernovae.
• B) accretion disks of supermassive black holes, millions of times as massive as our sun.
• C) accretion disks of intermediate black holes, hundreds of times as massive as our sun.
• D) accretion disks of stellar mass black holes.
• E) red giants in the process of forming planetary nebulae.

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Definitions:

Square-root Rule

A mathematical formula used in inventory management to estimate the impact of changing the number of locations on inventory levels.

Stocking Locations

Specific places where inventory is stored and managed, such as warehouses or retail storerooms.

Aggregate Inventory

The total stock of all items held across different locations within a supply chain.

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The use of computers, storage, networking, and other physical devices, infrastructure, and processes to create, process, store, secure, and exchange all forms of electronic data.