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{{mp|1999 OJ|4}} has one [[minor-planet moon]]. This moon was discovered by the Hubble Space Telescope<ref name="TNO binaries" /> on 5 October 2013. It ...an apparent diameter of roughly 8.11°,<ref group="lower-alpha">Calculated by solving <math> \scriptstyle{\mathrm{tan}\left(\frac{\theta}{2}\right) = \fr ...

...isov|other comets discovered by Gennadiy Borisov|List of comets discovered by Gennadiy Borisov}} ...loper after [[ʻOumuamua]].{{r|EA-20191014|Grossman2019}} It was discovered by the [[Crimean]] [[Amateur astronomy|amateur astronomer]] and telescope make ...

...ngle#Combining angle pairs|complement]] of {{mvar|β}}, which is expressed by the difference {{nobr| {{mvar|i}} {{=}} 90° – {{mvar|β}}}}. Thus, the axial ...ll amount of [[methane]] is present on its surface, which is only retained by the largest Kuiper belt objects. ...

| image = Comet ISON (C-2012 S1) by TRAPPIST on 2013-11-15.jpg | caption = Comet ISON as captured by [[TRAPPIST]] on 15 November 2013 ...

...tion = {{okina}}Oumuamua on 28 October 2017{{efn|1=5-minute exposure taken by the [[William Herschel Telescope]] on 28 October; {{okina}}Oumuamua appears ...[[Hubble Space Telescope]] for fast-moving objects) around 1 January 2018. By late 2019, it should have dimmed to 34 mag.}} ...

...bjects, concepts, phenomena and processes that were discovered or invented by people from the [[Netherlands]]. == Discoveries == ...

...on estimated positional|as well as a navigation tool]] which was exploited by many leaders from the past. ...[[archaeologists]] to {{circa|1600 BCE}}, based on the provenance provided by the looters who found it.<ref name="DW040920">{{cite news | title=Nebra sky ...

...[[scanning electron microscope]] (SEM) photo of a dust particle collected by [[NASA]] in the [[stratosphere]] together with its [[energy-dispersive X-ra ...s were formed. This approach is called Dust Astronomy which is carried out by means of a dust telescope on a dust observatory in space". ...

...tune's dark spots are not permanent features; the large dark spot observed by ''Voyager 2'' was designated GDS-89 for "Great Dark Spot 1989".}} ...period = 367.49&nbsp;days<ref name="fact">{{cite web |last=Williams |first=David R. |date=1 September 2004 |url=http://nssdc.gsfc.nasa.gov/planetary/factshe ...