For the Following Questions,refer to Figure S1

question 90

Short Answer

For the following questions,refer to Figure S1.1,which shows a portion of the sky visible in the early evenings in the fall.Note that five bright stars are labeled with lowercase letters and five constellations are labeled with capitals.A few hints are also given.

-Which bright star (lowercase letters)is Algol,the "demon star"?

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Definitions:

Delta Waves

Long, slow brain waves that indicate the deepest stage of sleep.

REM Sleep

A phase of sleep characterized by rapid eye movements, where dreaming often occurs and brain activity is high, resembling wakefulness.

Slow Wave Sleep

A phase of sleep characterized by low frequency, high amplitude brain waves, indicative of deep, restorative sleep.

Sleep Spindles

Brief bursts of brain activity, characterized by rapid rhythms, that occur during stage 2 of non-REM sleep and are associated with learning and memory consolidation.