NASA says these stars are roughly 10 million years old.
are gathered together, loosely bound by their mutual gravity. They are not tightly packed, so their collective shape in the sky is irregular. But there's more happening here.. The blue haze behind the scattered jewels of the open cluster signals to astronomers that star formation recently finished or is still underway. The mesmerizing blue swaths appearing at the center and bottom right of this image is gas.
Most of the foreground stars in this image are about 10 million years old and roughly 160,000 light-years away from Earth. NGC 1858 is located in a dwarf satellite galaxy of the, called the Large Magellanic Cloud, which to skywatchers appears as a smudge in the southern sky. "The stars within this young cluster are at different phases of their evolution, making it a complex collection," Hubble officials wrote in a"Within NGC 1858, researchers have detected a protostar, a very young, emerging star, indicating that star formation within the cluster may still be active or has stopped very recently," Hubble officials wrote.
NASA runs the Hubble Space Telescope alongside the European Space Agency . According to ESA officials, there's scientific value to studying star clusters beyond the limits of the Milky Way.
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