The Whirlpool Galaxy of grand-design,
a stately spiral with companion small,
once held to be in gravity's confine
of greater galaxy's imposing sprawl,
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Astronomy is one of the first branches of science which man ever developed. By sky-watching and star-gazing. The science has miles to go still. And it is expanding, as does each of the galaxies and the universe itself.
Part 2. Spiral galaxies are a class in itself. Thank you for sharing information on them. And congratulations for composing it in a beautiful sonnet. Well done. But, we expect more…