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A giant star has a substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature. [1] They lie above the main sequence (luminosity class V in the Yerkes spectral classification) on the Hertzsprung–Russell diagram and correspond to luminosity classes II and III. [2]
In August 2020, the U.S. Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin. [62] The FDA and manufacturers are investigating the origin of these impurities in rifampin, and the agency is developing testing methods for regulators and industry to detect the 1-methyl-4-nitrosopiperazine (MNP ...
Widely recognised as being among the largest known stars, [21] radius decreased to ~500 R ☉ during the 2020 great dimming event. [75] R Horologii: 630 [60] L/T eff: A red giant star with one of the largest ranges in brightness known of stars in the night sky visible to the unaided eye. Despite its large radius, it is less massive than the Sun.
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This is a list of the nearest giant stars (luminosity class III or II) to the Earth, located at a distance of up to 100 light-years (31 pc). List. Name
A 14th magnitude star situated 26" from Alpha Lupi is listed as a companion in double star catalogues. [ 16 ] This star is a proper motion member of the Upper Centaurus–Lupus sub-group in the Scorpius–Centaurus OB association , the nearest such co-moving association of massive stars to the Sun. [ 6 ] This is a gravitationally unbound ...
The Gashadokuro is a spirit that takes the form of a giant skeleton made of the skulls of people who died in the battlefield or of starvation/famine (while the corpse becomes a gashadokuro, the spirit becomes a separate yōkai, known as hidarugami.), and is 10 or more meters tall. Only the eyes protrude, and some sources describe them as ...
Rifampin rapidly kills fast-dividing bacilli strains as well as "persisters" cells, which remain biologically inactive for long periods of time that allow them to evade antibiotic activity. [7] In addition, rifabutin and rifapentine have both been used against tuberculosis acquired in HIV-positive patients.