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{{Short description|Ratio of gravitational forces on a satellite from the Sun and host planet}} ...ral satellite]]. The term was coined by [[Isaac Asimov]] in ''The Magazine of Fantasy and Science Fiction'' in 1963.<ref name="Asimov">{{cite book |first ...

...mb|510x510px|Though differing in size and temperature, terrestrial planets of the Solar System were reported to have high Earth Similarity Index values – ...It was designed to be a scale from zero to one, with Earth having a value of one; this is meant to simplify planet comparisons from large databases. ...

{{short description|1676 demonstration of light's finite speed by Danish astronomer Ole Rømer}} ...ment official in his native [[Denmark]] after his discovery of the [[speed of light]] (1676). The engraving is probably posthumous.]] ...

...omy|other definitions, including a description of a month in the calendars of different cultures around the world|month}} ...[full moon]]s. The precise definition varies, especially for the beginning of the month. ...

This is a '''list of notable Italian scientists''' organized by the era in which they were activ ...armenides]] (530&nbsp;BC–460&nbsp;BC), İtalian-Greek philosopher, defender of rationalism in philosophy ...

{{History of the Netherlands}} The following list is composed of objects, concepts, phenomena and processes that were discovered or invented ...

...is a '''list of the largest [[exoplanet]]s''' so far discovered, in terms of physical size, ordered by radius. ...ht be [[brown dwarf]]s, [[sub-brown dwarf]]s, or not exist at all. Because of this, this list only cites the most certain measurements to date and is pro ...

{{About||the calendar of religious holidays and periods|Liturgical year|this year's Gregorian calend ...]}} issued by [[Pope Gregory XIII]], which introduced it as a modification of, and replacement for, the [[Julian calendar]]. The principal change was to ...

...ommons+images&pg=PA77|title=The Innovators Behind Leonardo: The True Story of the Scientific and Technological Renaissance|last=Innocenzi|first=Plinio|da ...Museo Scienza e Tecnologia Milano.tif|thumb|[[Alessandro Cruto]], creator of the first practical long-lasting incandescent [[Light Bulb|light bulb]]<ref ...

{{Short description|List of definitions of terms and concepts commonly used in aerospace engineering}} ...] and [[aeronautics]]. For a broad overview of engineering, see [[glossary of engineering]]. ...