Barred spiral galaxy

Hubble Focuses on Spectacular Spiral Galaxy: NGC 4731

Hubble Focuses on Spectacular Spiral Galaxy: NGC 4731

The NASA/ESA Hubble Space Telescope shot this stunning image of a barred spiral galaxy called NGC 4731. This Hubble image shows NGC 4731, a barred spiral galaxy some 43 million light-years away in the constellation of Virgo. Image credit: NASA / ESA / Hubble / D. Thilker. NGC 4731 is located approximately 43 million light-years …

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ALMA Detects Seismic Ripples in Disk of Ancient Barred Spiral Galaxy

ALMA Detects Seismic Ripples in Disk of Ancient Barred Spiral Galaxy

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have observed a disk bending wave in BRI 1335-0417, the oldest known spiral galaxy at over 12 billion years old. This unprecedented observation reveals the galaxy’s dynamic growth patterns, showcasing a vertically oscillating disk movement similar to ripples on a pond. The study marks the first time …

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