File:A Swarm of Ancient Stars - GPN-2000-000930.jpg
From Infogalactic: the planetary knowledge core
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:34, 6 January 2017 | 1,777 × 1,864 (4.03 MB) | 127.0.0.1 (talk) | This stellar swarm is M80 (NGC 6093), one of the densest of the 147 known globular star clusters in the Milky Way galaxy. Located about 28,000 light-years from Earth, M80 contains hundreds of thousands of stars, all held together by their mutual gravitational attraction. Globular clusters are particularly useful for studying stellar evolution, since all of the stars in the cluster have the same age (about 12 billion years), but cover a range of stellar masses. Every star visible in this image is either more highly evolved than, or in a few rare cases more massive than, our own Sun. Especially obvious are the bright red giants, which are stars similar to the Sun in mass that are nearing the ends of their lives. |
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- Astronomical object
- Equations for a falling body
- Globular cluster
- Gravity
- Gravity of Earth
- History of gravitational theory
- List of Messier objects
- Lists of astronomical objects
- Messier 80
- Metallicity
- Portal:Astronomy/Featured/March 2007
- Portal:Astronomy/Picture/23 May 2005
- Portal:Astronomy/Picture/Week 07 2006
- Portal:Gravitation/The effects of gravity
- Rare Earth hypothesis
- Swarm behaviour
- Infogalactic:Today's featured article/September 23, 2006
- Portal:Astronomy/Featured/March 2007
- Portal:Astronomy/Picture/23 May 2005
- Portal:Astronomy/Picture/May 2005
- Portal:Astronomy/Picture/Week 07 2006
- Portal:Gravitation
- Portal:Gravitation/The effects of gravity