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The Shy Five: Lesser known deep-sky objects worth seeking out
But Sagitta also contains an overlooked Messier object: Messier 71, a globular cluster 13,000 light-years away. M71 is a loose globular cluster, meaning its stars are less densely packed than ...
JSTOR Daily6y
The Colors of Globular Clusters
cyr} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} \landscape $] < -1.0$ \end{document} ) clusters in various globular cluster systems. Among early‐type galaxies of types E, E/S0, ...
Mashable3y
Say hello to the brilliant, crowded starscape in NASA's new Hubble share
This latest Hubble image share highlights the globular cluster that's gone by many (and, as NASA notes, fairly boring) names since its existence was first recorded in 1826. The actual sight of NGC ...