Matter Falling onto a Compact Object, Such as a Neutron

question 40

Multiple Choice

Matter falling onto a compact object, such as a neutron star or black hole,forms a(n) :

• A) accretion disk
• B) binary star
• C) gamma-ray burst
• D) pulsar
• E) magnetar

---

Definitions:

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against disease and infection.

Weight Loss

The reduction of the total body mass due to a mean loss of fluid, body fat, or lean mass.

Sleep Apnea

A disorder characterized by pauses in breathing or periods of shallow breathing during sleep.

Narcolepsy

A sleep disorder characterized by excessive daytime sleepiness and sudden attacks of sleep.