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Templates for use in articles on astronomy. The pages listed in this category are templates . This page is part of Wikipedia's administration and not part of the encyclopedia.
A-type star In the Harvard spectral classification system, a class of main-sequence star having spectra dominated by Balmer absorption lines of hydrogen. Stars of spectral class A are typically blue-white or white in color, measure between 1.4 and 2.1 times the mass of the Sun, and have surface temperatures of 7,600–10,000 kelvin.
[[Category:Astronomy stub templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Astronomy stub templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
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From planetary meet-ups to the first total lunar eclipse in three years, here are the top astronomy events to look for throughout 2025: Stellar views of Mars will greet stargazers in January as ...
Template documentation This template's initial visibility currently defaults to autocollapse , meaning that if there is another collapsible item on the page (a navbox, sidebar , or table with the collapsible attribute ), it is hidden apart from its title bar; if not, it is fully visible.
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[[Category:Astronomy infobox templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Astronomy infobox templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.