spiral galaxies
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Astronomers Spot Strange ‘Splinter’ in Milky Way Spiral Arm
An unusual “break” has been detected in the nearest galactic spiral arm to Earth. Astronomers have never seen anything quite like it, and they’re not entirely sure how it got there.
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The Heart Of This Elliptical Galaxy Exposes A Ghost From Its Past
Unlike spiral galaxies, with their flat shape and twisted arms, elliptical galaxies are featureless blobs without much structure. But then there’s NGC 3610 — an elliptical galaxy with a bright and distinctly disc-like shape at its center. Astronomers say it’s a blast from this galaxy’s past, one that played an important role in its evolution.