The US space agency “NASA” published, through its official account on the “Twitter” website, a picture of the globular cluster “NGC 6355”, which was taken by its “Hubble” space telescope and by the European Space Agency.
And “NASA” said that the stars are scattered in this image, pointing out that this cluster is a spherical stream cluster that is located in the inner regions of the Milky Way galaxy, and those regions are less than 50,000 light-years away from Earth in the constellation of Ophiuchus.
The US space agency explained that globular clusters are stable, tightly defined groups of tens of thousands to millions of stars associated with all types of galaxies.
NASA indicated that dense star clusters and mutual gravity give these clusters an almost spherical shape that contains a bright concentration of stars surrounded by an increasing scattering of stars, adding that the dense and bright core of NGC 6355 shines with crystal clear detail as Hubble is able to resolve individual stars in the crowded region towards center of this image.
And the US Space Agency confirmed that the “Hubble” telescope revolutionized the study of globular clusters, so it is almost impossible to distinguish between individual stars in globular clusters using ground telescopes, but the unique capabilities of “Hubble” and the observation point above the Earth’s light-distorting atmosphere allow capturing the stars that make up the cluster. ball in detail.
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