When One Member of a Binary Star System Is a Black

question 29

Multiple Choice

When one member of a binary star system is a black hole, and astronomers detect flickering x-rays coming from the system, where are these x-rays usually coming from?

• A) from inside the black hole event horizon
• B) from the photosphere of the companion star (the star that is not a black hole)
• C) from the singularity
• D) from a disk of material around the black hole (material that has been pulled from the companion star and is falling toward the black hole)
• E) from a distant galaxy that just happens to lie behind the black hole system (astronomers discovered that such x-rays have nothing to do with the black hole)

Know the essential preparation and guidelines to follow before presenting to ensure a smooth delivery.

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Definitions:

Feminity

A set of attributes, behaviors, and roles generally associated with girls and women, often defined in opposition to masculinity but varies greatly across cultures and individuals.

Hormone Supplements

Products taken to adjust or complement the body's natural hormone levels, often used in medical treatments or to enhance physical performance.

Binary System

In computing, a system that represents data using two discrete states, typically 0 and 1, which are the foundation of digital systems.

Binary Categorization

The classification of objects, concepts, or people into two distinct groups or categories, often ignoring the existence of a spectrum.