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NASA images: 5 stunning photos by Hubble telescope catch glimpses of outer Space, from protostar to globular cluster
High definition telescopes and satellites closely ... This glittery field is a 10-billion-year-old globular cluster, NGC 6496, and the stars within it are quite special. Not only do they have ...
Princeton University4y
Globular Clusters in Hercules
The constellation Hercules contains two of the finest globular star clusters visible in the Northern Hemisphere: M13 (below) and M92 (not shown -- yet!). Each contains several hundred thousand stars, ...
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, ...
JSTOR Daily6y
Hot Stars in Globular Clusters: A Spectroscopist’s View
ABSTRACT Globular clusters are ideal laboratories to study the evolution of low‐mass stars. In this work we concentrate on three types of hot stars observed in globular clusters: horizontal branch ...
SETI2y
Arecibo Message
The transmission consisted of a simple, pictorial message, aimed at our putative cosmic companions in the globular star cluster M13. This cluster is roughly 21,000 light-years from us, near the edge ...