The Hubble Space Telescope recently captured the “glittering swarm” of stars of the globular cluster NGC 6440.
The cluster is located in the constellation Sagittarius, some 28,000 light-years away.
Globular clusters like NGC 6440 are tightly-packed collections of stars that live on the edges of galaxies.
They can hold anywhere from hundreds of thousands to millions of stars that average about one light-year apart.
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However, they can be as close together as the size of our solar system.
NASA said the data used to create the image came from five different Hubble observing programs.
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Four of those programs focused on the properties of pulsars, which are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation from their magnetic poles.
NGC 6440 was discovered in the 18th century by astronomer William Herschel.
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According to Space.com, it is the home to at least eight of the rapidly rotating pulsars.