When Material Expanding Away from a Star in a Binary

question 22

Multiple Choice

When material expanding away from a star in a binary system leaves a star's Roche lobe,

• A) the material will start to fall back toward the star.
• B) all of the material will accrete on to the companion.
• C) the material is no longer gravitationally bound to that star.
• D) the material will increase in temperature an eventually undergo thermonuclear fusion.
• E) c and d.

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Definitions:

Inclusive Taxon

A classification grouping that includes all the descendant species of a common ancestor.

Domain

In biology, it refers to the highest taxonomic rank in the classification of organisms, above kingdom; in other contexts, it can denote a realm of expertise, activity, or knowledge.

Kingdom

A large taxonomic category that classifies life forms, ranking above a phylum and below a domain.

Nuclei

Plural form of nucleus, referring to the membrane-bound organelles found in eukaryotic cells that contain the genetic material.