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| This NASA/ESA Hubble Space Telescope image features the majestic spiral galaxy NGC 3430, offering an extraordinary view of its intricate structure and vibrant star-forming regions. |
The Hubble Space Telescope has delivered a breathtaking image of the spiral galaxy NGC 3430, located 100 million light-years from Earth in the constellation Leo Minor. This high-resolution snapshot showcases the galaxy’s intricate structure, featuring a bright core and a pinwheel array of arms radiating outward.
Nearby galaxies, some of which are just outside the frame, exert gravitational influence on NGC 3430, sparking regions of intense star formation that appear as bright-blue patches near the galaxy’s periphery. The image highlights the galaxy’s prominent spiral arms, defined by dark dust lanes and luminous star-forming regions.
NGC 3430’s well-defined shape contributed to Edwin Hubble’s pioneering work on galaxy classification. In 1926, Hubble categorized galaxies based on their visual characteristics—spiral, barred spiral, lenticular, elliptical, or irregular. This classification system, foundational to modern astronomy, remains rooted in Hubble’s original framework. NGC 3430 is classified as an SAc galaxy, characterized by its open, clearly defined spiral arms and absence of a central bar.
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