Over Which of These Stages of Stellar Evolution Does the Radius

question 136

Multiple Choice

Over which of these stages of stellar evolution does the radius of a star remain approximately constant?

• A) main-sequence phase
• B) red giant phase
• C) birth and initial formation
• D) The radius of a star is approximately constant in ALL of these phases.

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Definitions:

Basidiomycetes

A class of fungi characterized by producing spores on basidia, including mushrooms, puffballs, rusts, and smuts.

Chytridiomycetes

A class of fungi that are mostly aquatic and have a unique stage in their life cycle featuring flagellated spores, known for impacting amphibian populations.

Glomeromycetes

Glomeromycetes is a class of fungi known for forming symbiotic relationships with the roots of most plants, aiding in the absorption of minerals from the soil.

Saccharomyces Cerevisiae

A species of yeast commonly used in brewing, baking, and laboratory research due to its ability to ferment sugars.