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Globular Cluster M5
<< Yesterday 19.10.1995 Tomorrow >>
Globular Cluster M5
Credit & Copyright: Anglo-Australian Telescope Board
Explanation: The globular cluster M5, pictured above, contains roughly 100,000 stars. These stars formed together and are gravitationally bound. Stars orbit the center of the cluster, and the cluster orbits the center of our Galaxy. So far, about 160 globular clusters are known to exist in a roughly spherical halo around the Galactic center. Globular clusters do not appear spherically distributed as viewed from the Earth, and this fact was a key point in the determination that our Sun is not at the center of our Galaxy. Globular clusters are very old. There is a straightforward method of determining their age, and this provides a very interesting lower limit on the age of our universe of about 14 billion years.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Russkii tekst
Based on Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: M 5 - globular cluster - Sharovoe skoplenie - vozrast sharovyh skoplenii - vozrast Vselennoi
Publikacii so slovami: M 5 - globular cluster - Sharovoe skoplenie - vozrast sharovyh skoplenii - vozrast Vselennoi
Sm. takzhe:
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