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{{chinese-name|[[Zhang (surname)|Zhang]]}} ...ydraulics]], [[geography]], [[ethnography]], [[mechanical engineering]], [[Chinese calendar|calendrical science]], [[metaphysics]], [[poetry]] ...

...opus]], the next brightest [[star]]. The name Sirius is derived from the [[Ancient Greek]] Σείριος.<ref name=Liddell /> The star has the [[Bayer designation]] ...[Ancient Egypt]] and the '[[Dog Days]]' of summer for the [[Ancient Greece|Ancient Greeks]], while to the Polynesians it marked winter and was an important st ...

Vega has been extensively studied by astronomers, leading it to be termed, "arguably the next most important star in the sky ...ginal estimate. This change cast further doubt on Struve's data. Thus most astronomers at the time, including Struve, credited Bessel with the first published par ...

...s. Extensive [[star catalogue|catalogues of stars]] have been assembled by astronomers, which provide standardized [[star designation]]s. ...de Leo.png|thumb|220px|right|People have seen patterns in the stars since ancient times.<ref name="forbes" /> This 1690 depiction of the constellation of [[L ...

Nevertheless, some of the evidence believed to indicate ancient water basins and flows has been negated by higher resolution studies taken ...by lava flows contrast with the southern highlands, pitted and cratered by ancient impacts. Research in 2008 has presented evidence regarding a theory propose ...