NASA’s Hubble space telescope reveals a galactic ‘string of pearls’

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NASA’s Hubble space telescope reveals a galactic ‘string of pearls’
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Laura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic, paleontology, nanotechnology, and exploring how science influences daily life. Laura is a proud former resident of the New Jersey shore, a competitive swimmer, and a fierce defender of the Oxford comma.

When galaxies collide, their stars are not actually destroyed. These rough-and-tumble dynamics actually trigger the formation of new generations of stars, and potentially even planets to accompany them. Astronomers using the Hubble Space Telescope have taken a closer look at 12 of these interacting galaxies. These galaxies all have long tails of gas, dust, and multitudes of stars.

At only 10 million years old, these clusters are very young and appear to be forming at the same rate along tails that stretch for thousands of light-years. 'It's a surprise to see lots of the young objects in the tails. It tells us a lot about cluster formation efficiency,' study co-author and Randolph-Macon College astronomer Michael Rodruck said in a statement. 'With tidal tails, you will build up new generations of stars that otherwise might not have existed.

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