A Giant Galaxy has been Unwinding its Neighbor for 400 Million Years - Universe Today
The galaxy interaction of NGC 1510 and NGC 1512 is a good example of what happens during the merger process. Their gravitational attraction to each other spurred great waves of star formation, particularly in the outer spiral arms of the larger galaxy. That created what astronomers call “starbursts” and splashed long blue strings of hot young stars out to space. Galaxy mergers often spur.
A cropped view of the main image shows the tendrils of hot young stars created during the starburst phase of the galaxy interaction. Courtesy NOIRLab.
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