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...8|e6km|e6mi|abbr=unit|0}} and takes almost two Earth years to complete its orbit. ...added them together to create a single deep image that would show Uranian moons as points of light against trailed background stars and galaxies.<ref name= ...

...rt|50|e6km|e6mi|abbr=unit}} and takes about 27 Earth years to complete its orbit—the largest orbital distance and period of any known moon in the Solar Syst ...dded them together to create a single deep image that would show Neptunian moons as points of light against trailed background stars and galaxies.<ref name= ...

| image = File:Makemake moon Hubble image with legend (cropped).jpg | inclination = {{val|63|-|87|u=°}} wrt [[ecliptic]] ([[retrograde and prograde motion|prograde]])<ref name="Parker2016"/>{{rp|page=3}} ...

...schools and academies (1882) (14577550018).jpg|thumb|Chart of lunar maria with lines of longitude and latitude. The [[prime meridian]] is the centre of th ...tes.html | title=Planetocentric and planetographic coordinates }}</ref> is a generalization of the [[geographic coordinate system|geographic]], [[geodet ...

{{short description|Set of gravitationally bound objects in orbit}} ...wn in order of their distance.| caption1 = Saturn, its rings and major icy moons—from Mimas to Rhea.}} ...

...of significance in astronomy|other definitions, including a description of a month in the calendars of different cultures around the world|month}} In [[lunar calendar]]s, a '''lunar month''' is the time between two successive [[Syzygy (astronomy)|s ...

...l navigation, also known as,rely solely on estimated positional|as well as a navigation tool]] which was exploited by many leaders from the past. ...Solar System is what enabled progress towards more accurate models to have a better understanding of the Solar System that civilization is located withi ...

....jpg|thumb|270px|alt=Image of Triton's surface |''[[Voyager 2]]'' image of a section of Triton's unusual cantaloupe terrain, cross-cut by [[Slidr Sulci] ...probable [[Planetary oceanography|subsurface ocean]] and a rocky core. As a result, Triton's surface geology is largely driven by the dynamics of water ...

...CZ]]. <!-- In addition to those institutions, team members were affiliated with < ! - - ¿¿ --- [[Greene, Rhode Island|Greene, RI]]; --- ?? - - > [[Univers ...[[ecliptic north pole]], at {{nobr| {{mvar|β}} {{=}} +90° ;}} {{mvar|i}} with respect to the ecliptic would be the [[Angle#Combining angle pairs|compleme ...

...elling the seasonal cycle of Uranus's colour and magnitude, and comparison with Neptune |url=https://academic.oup.com/mnras/article/527/4/11521/7511973 |jo ....gov/multimedia/downloads/Small_RPS_Report.pdf |title=Enabling Exploration with Small Radioisotope Power Systems |date=September 2004 |access-date=26 Janua ...

| image_alt = Planet Nine depicted as a dark sphere distant from the Sun with the Milky Way in the background. ...ntral Milky Way, with the Sun in the distance; Neptune's orbit is shown as a small ellipse around the Sun (See [[:File:Planet nine artistic plain labele ...

...of a dust particle collected by [[NASA]] in the [[stratosphere]] together with its [[energy-dispersive X-ray spectroscopy|energy-dispersive X-ray spectrum ...tronomical object]]s occurring in [[outer space]]. Dust astronomy overlaps with the fields of [[Planetary science]], [[Cosmochemistry]], and [[Astrobiology ...

...{{nowrap|log(''g'')}} of 2.992 for the Earth indicates that TRAPPIST-1 has a surface gravity approximately 177 times stronger than Earth's.}}{{sfn|Agol| ...k=on|round=10}}. Its radius is slightly larger than [[Jupiter]] and it has a mass of about 9% of [[solar mass|the Sun]]. It is estimated to be 7.6 billi ...

Below is a '''list of the largest [[exoplanet]]s''' so far discovered, in terms of phy ...ar objects in general. These objects are not stars, and are quite small on a universal or even stellar scale. Then there is the fact that these objects ...

...plines, and related fields including [[aviation]] and [[aeronautics]]. For a broad overview of engineering, see [[glossary of engineering]]. == A == ...