The Spectral Classification of Stars Started with the Amount of Hydrogen

question 43

True/False

The spectral classification of stars started with the amount of hydrogen present in their spectra, but a better method now uses the amount of oxygen in the star's spectra.

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Definitions:

Wear Seat Belts

A safety measure that involves securing oneself in a vehicle with a strap to minimize injuries in the event of a crash.

Internal-External (I-E) Scale

The Internal-External (I-E) Scale is a psychological measurement tool used to assess the locus of control of an individual, distinguishing between people who attribute outcomes to their own control or to external forces.

Children's Nowicki-Strickland

A psychological assessment tool designed to measure locus of control specifically in children, indicating their perceived control over outcomes in their lives.

Locus of Control

A psychological concept referring to an individual's belief about the extent to which their actions influence outcomes.