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This means that SDSS J0018−0939 most likely preserved the elemental abundance ratios produced by a first-generation very-massive star. [7] First generation stars are expected to self-regulate their growth by radiative feedback in the formation process, and to achieve masses typically tens of times that of the Sun. A fraction of stars might ...
The Middle and Late Ordovician deposits in Kentucky are exceptionally rich in bryozoans, [52] but bryozoans can be found in Kentucky rocks all the way into the Pennsylvanian period. They may be Kentucky's most common type of fossil. [53] Archimedes, a distinctive genus of Mississippian fenestrate bryozoan known for its screw-like skeletal structure
HE 1523-0901 is the designation given to a red giant star in the Milky Way galaxy approximately 9,900 light-years from Earth. It is thought to be a second generation, Population II, or metal-poor, star ([Fe/H] = −2.95). The star was found in the sample of bright metal-poor halo stars from the Hamburg/ESO Survey by Anna Frebel and
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Throughout the 1970s and 1980s, Kentucky led the US in coal production. A well drilled in 1819 in salt water, in the South Fork of the Cumberland River revealed the first indications of petroleum in Kentucky. A rush to produce paraffin from oil in the 1850s prompted discoveries in Clinton, Cumberland, Allen, Barren, Meade, Wayne and Russell ...
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A fire pit. The defining feature of fire pits is that they are designed to contain fire and prevent it from spreading. A fire pit can vary from a pit dug in the ground (fire hole) to an elaborate gas burning structure of stone, brick, and metal. Certain contemporary fire pit styles include fire bowls that can either be set in the ground or ...
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related to: first generation stars found in kentucky fire pit blocks