Star – Cosma

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Introduction¹

Dictionary

star : a self-luminous gaseous spheroidal celestial body of great mass which produces energy by means of nuclear fusion reactions — Webster See also OneLook

Thesaurus

Roget’s II (Thesaurus.com), Merriam-Webster Thesaurus, Visuwords

Encyclopedia

Star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye from Earth during the night, appearing as a multitude of fixed luminous points in the sky due to their immense distance from Earth. Historically, the most prominent stars were grouped into constellations and asterisms, the brightest of which gained proper names. Astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations. However, most of the stars in the Universe, including all stars outside our galaxy, the Milky Way, are invisible to the naked eye from Earth. Indeed, most are invisible from Earth even through the most powerful telescopes. — Wikipedia

Star (Encyclopædia Britannica)

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Innovation

Science

Stellar Astronomy is the study of stars and stellar evolution, and it is fundamental to our understanding of the Universe. The astrophysics of stars has been determined through observation and theoretical understanding; and from computer simulations of the interior. Star formation occurs in dense regions of dust and gas, known as giant molecular clouds. When destabilized, cloud fragments can collapse under the influence of gravity, to form a protostar. A sufficiently dense, and hot, core region will trigger nuclear fusion, thus creating a main-sequence star. — Wikipedia

NASA Goddard (YouTube Channel)

Hypatia Catalog is a multidimensional, amalgamate dataset comprised of stellar elemental abundance measurements for FGKM-type stars within 500 pc of the Sun and all exoplanet host stars regardless of distance. All stellar abundances have been carefully selected from literature sources that measured [Fe/H] and at least one other element. The Hypatia Catalog Database features an interactive table and multiple plotting interfaces that allow easy access and exploration of data within the Hypatia Catalog. In addition, stellar properties and planetary properties, where applicable, have been made available. Data can be downloaded either through the website or through the terminal via our API for use in external plotting routines and data analysis. — Hypatia Catalog