If the Galactic Center Is Now Thought to Contain a Supermassive

question 11

Multiple Choice

If the galactic center is now thought to contain a supermassive black hole,why is the Sun not falling into it under the black hole's extreme gravity?

• A) The inward force exerted on the Sun from the black hole is offset by the force exerted outward by the hidden "dark" matter beyond the Sun's orbit.
• B) Its mass is so small that even this extreme mass concentration at the galactic center will not exert a significant force on it.
• C) The Sun has sufficient velocity that it can orbit the galactic center in a circle.
• D) The mutual gravitational forces of local stars in the Orion spiral arm are sufficient to overcome the strong inward force and keep the Sun moving in its orbit.

---

Definitions:

Decrease

A reduction in the size, amount, or rate of something.

Accounts Receivable

Accounts receivable represents money owed to a company by its customers for goods or services delivered or used but not yet paid for, typically recorded as an asset on the balance sheet.

Credit

An accounting entry recording a sum that has been received or is receivable, typically representing an increase in assets or a decrease in liabilities.

Services

Tasks or activities performed for the benefit or convenience of others, often in exchange for payment.