Evidence Obtained Over the Last Few Years Indicates That a Quasar

question 28

Multiple Choice

Evidence obtained over the last few years indicates that a quasar is MOST likely

• A) the remnant core of an exploding star or supernova.
• B) the focused image of a distant galaxy by the gravitational lens effect of a closer galaxy.
• C) evidence of very intense star-building activity in certain distant dust and gas clouds.
• D) powered by material near the central supermassive black hole of a very distant, very active galaxy.

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Definitions:

Pericardial Sac

A double-layered membrane enclosing the heart, providing lubrication and protection against friction.

Pelvic Cavity

A body cavity that is bounded by the bones of the pelvis, containing reproductive organs, the urinary bladder, and the rectum.

Body Cavities

Defined spaces within the body that house organs and other structures, such as the thoracic, abdominal, and pelvic cavities.

Mesentery

A double layer of peritoneum that attaches the intestines to the wall of the abdomen, providing support and containing blood vessels, nerves, and lymphatics.