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Whirlpool Galaxy [M 51, Messier 51, NGC 5194]Whirlpool Galaxy [M 51, Messier 51, NGC 5194]

— In: Astronomy and space

The graceful, winding arms of the majestic spiral galaxy M 51 (NGC 5194) appear like a grand spiral staircase sweeping through space. They are actually long lanes of stars and gas laced with dust. This sharpest-ever image, taken in January 2005... — full article

Compendium articles with 'W' — 1
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