Sa galaxy

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Srinivasa Ramanujan, Indian mathematician and autodidact.

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Sa galaxy

astronomy

Learn about this topic in these articles:

spiral galaxies

In galaxy: Sa galaxies
These normal spirals have narrow, tightly wound arms, which usually are visible because of the presence of interstellar dust and, in many cases, bright stars. Most of them have a large amorphous bulge in the centre, but there are some that violate this…
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