The Star Alphard Has an Apparent Magnitude of 2

question 58

Multiple Choice

The star Alphard has an apparent magnitude of 2.0,and the star Megrez has an apparent magnitude of 3.3.The only thing that can be said with certainty about Alphard is that it

• A) is brighter than Megrez,as seen in our sky.
• B) has a greater luminosity than Megrez.
• C) is closer than Megrez.
• D) is fainter than Megrez,as seen in our sky.

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Definitions:

Non-REM Sleep

A period of sleep that includes stages 1 through 3, characterized by gradual decreases in brain activity and physiological arousal.

Minutes

The written record of what was discussed and decided in a meeting, capturing the key points, decisions, and actions to be taken.

Delta Waves

Slow brainwaves predominantly present in deep sleep, associated with healing and regeneration in the human body.

Non-REM Sleep

The part of sleep that is divided into stages 1 through 3, characterized by gradual decrease in movement and responsiveness to the environment.