A Main-Sequence Star Is Unique Because

question 62

Multiple Choice

A main-sequence star is unique because

• A) hydrostatic equilibrium exists at all radii.
• B) energy transport occurs via convection throughout much of its interior.
• C) hydrogen burning occurs in its core.
• D) it emits strong surface winds.

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Definitions:

NMR

Nuclear Magnetic Resonance, a spectroscopic technique that exploits the magnetic properties of certain nuclei to determine the structure of compounds.

Molecular Formula

A notation representing the number and type of atoms in a molecule without depicting the bonds (e.g., H2O for water).

IR

Infrared spectroscopy, a technique used to identify and study chemicals through the absorption of infrared radiation, providing insights into molecular vibrations and structures.

NMR

Nuclear Magnetic Resonance, a spectroscopic technique that provides detailed information about the structure, dynamics, and environment of molecules.