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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 ...
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
East Fishkill Fire District; East Meadow Fire District; Fire Alarm, Telegraph and Police Signaling Building; Fort Johnson Volunteer Fire Company; Gordon Heights Fire Department; Great River Fire Department; Long Beach Fire Department (New York) Mount Sinai Fire Department; New York City Fire Department; Oceanic H&L Company No. 1; Plandome Fire ...
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Thus far, they have uncovered and studied in detail about ten ultra-metal-poor (UMP) stars (such as Sneden's Star, Cayrel's Star, BD +17° 3248) and three of the oldest stars known to date: HE 0107-5240, HE 1327-2326 and HE 1523-0901.
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The Union Fire Protection District, abbreviated UFPD and also known as Union Fire/Rescue, has primary responsibility for fire suppression and emergency medical services for the city of Union, Kentucky and outlying areas. [1] The Union Fire Department was established in 1969. The Union Ambulance District was founded September 10, 1989.
K-type main-sequence stars are about three to four times as abundant as G-type main-sequence stars, making planet searches easier. [17] K-type stars emit less total ultraviolet and other ionizing radiation than G-type stars like the Sun (which can damage DNA and thus hamper the emergence of nucleic acid based life). In fact, many peak in the red.