Astronomers Have to Piece Together the Evolutionary History of Stars

question 111

True/False

Astronomers have to piece together the evolutionary history of stars by studying different stars at different stages in their life cycles.

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Definitions:

Positively Charged Ions

Particles, either atoms or molecules, which have become positively charged by losing one or more electrons.

Depolarization

A decrease in the electrical charge across a cell membrane, usually in neurons or muscle cells, leading to the firing of an action potential.

Neural Impulse

An electrical signal that travels along a neuron, enabling neurons to communicate with each other and with other parts of the body.

Threshold

The minimum level of stimulus intensity required to trigger a perceptible response or reaction.