File:VLT Shows Milky Way's Neighbouring Galaxies Have Different History.jpg
Summary
Distribution of the <a href="//commons.wikimedia.org/wiki/Iron" title="Iron">iron</a> content (in <a href="//commons.wikimedia.org/wiki/Logarithm" title="Logarithm">logarithmic</a> scale) in four dwarf neighbouring galaxies of the <a href="//commons.wikimedia.org/wiki/Milky_Way" title="Milky Way">Milky Way</a> (<a href="//commons.wikimedia.org/wiki/Sculptor" title="Sculptor">Sculptor</a>, <a href="//commons.wikimedia.org/wiki/Sextans" title="Sextans">Sextans</a>, <a href="//commons.wikimedia.org/wiki/Fornax" title="Fornax">Fornax</a>, and <a href="//commons.wikimedia.org/wiki/Carina" title="Carina">Carina</a>), shown as relative fraction, as derived from the FLAMES/<a href="//commons.wikimedia.org/wiki/Category:Very_Large_Telescope" title="Category:Very Large Telescope">VLT</a> observations. There is a great diversity from system to system, which reflects their widely different <a href="//commons.wikimedia.org/wiki/Star" title="Star">star</a> formation and chemical enrichment histories. There is, however, a common denominator: contrary to naive expectations, there is a dearth of stars with very low amount of iron.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:21, 5 January 2017 | | 1,886 × 1,572 (381 KB) | 127.0.0.1 (talk) | Distribution of the <a href="//commons.wikimedia.org/wiki/Iron" title="Iron">iron</a> content (in <a href="//commons.wikimedia.org/wiki/Logarithm" title="Logarithm">logarithmic</a> scale) in four dwarf neighbouring galaxies of the <a href="//commons.wikimedia.org/wiki/Milky_Way" title="Milky Way">Milky Way</a> (<a href="//commons.wikimedia.org/wiki/Sculptor" title="Sculptor">Sculptor</a>, <a href="//commons.wikimedia.org/wiki/Sextans" title="Sextans">Sextans</a>, <a href="//commons.wikimedia.org/wiki/Fornax" title="Fornax">Fornax</a>, and <a href="//commons.wikimedia.org/wiki/Carina" title="Carina">Carina</a>), shown as relative fraction, as derived from the FLAMES/<a href="//commons.wikimedia.org/wiki/Category:Very_Large_Telescope" title="Category:Very Large Telescope">VLT</a> observations. There is a great diversity from system to system, which reflects their widely different <a href="//commons.wikimedia.org/wiki/Star" title="Star">star</a> formation and chemical enrichment histories. There is, however, a common denominator: contrary to naive expectations, there is a dearth of stars with very low amount of iron. |
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