What Is a Quasar

question 150

Multiple Choice

What is a quasar?

• A)a star- like object that actually represents a bright patch of gas in the Milky Way
• B)the name given to the largest objects in the Kuiper Belt
• C)a very large galaxy thought to be formed by the merger of several smaller galaxies, resulting in a quick burst of star formation
• D)another name for very bright stars of spectral type O
• E)the extremely bright center of a distant galaxy, thought to be powered by a supermassive black hole

---

Definitions:

Instant

Occurring or done immediately and without delay.

Life Cycle Cost

The total cost of ownership of a product or system over its entire life, including initial purchase, operation, maintenance, and disposal costs.

Operating Cost

The total amount of money required to run a business, project, or device, excluding capital expenditures.

External Cost

Costs of a transaction that affect people other than the buyer or seller, which are not reflected in market prices.