Quote:
Originally Posted by grant hutchison
Sorry, it's a pleasing idea, but no.
The Sagittarius Dwarf has nothing to do with the Sagittarius arm: its central portion just happens to lie in the same direction. It's trailing a big sparse spiral of stars as it is tidally disrupted by the Milky Way, but that spiral doesn't follow the spiral structure of our galaxy, as the diagram on the linked page shows.
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Then why confuse things by naming them both Sagittarius? It's like Peachtree in Atlanta.
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