How would the visual experience of the Milky Way band overhead change if we were in the Sagittarius Arm?
Answer
It would likely appear brighter or more obscured toward the core region
Our current vantage point in the Local Arm, being two-thirds out from the center, provides a specific view of the Milky Way band. If the Solar System were instead located in the Sagittarius Arm, we would be significantly closer to the galactic center's central bulge. Regions nearer the core possess a higher density of stars and dust clouds. Therefore, observing the Milky Way band overhead from that nearer location would likely result in the view being dominated by this increased density, making the band appear brighter or potentially more obscured by foreground structures closer to the core.
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