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...ogen and methane. Triton's geology is vigorous, and has been and continues to be influenced by its unusual history of capture, high internal heat, and it ...observations of the moon as of 2024. A number of proposals have been made to follow up on ''Voyager 2''{{'}}s discoveries, such as ''[[Trident (spacecra ...

{{short description|Astronomical object not gravitationally bound to a star}} {{Not to be confused with|Extrasolar object}} ...

...server Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is [[3-sigma]].)</ref><br/>±17 ...av = {{Gr|1|dateform=dmy.20|466|2}} m/s² at poles<br />{{nowrap|to {{Gr|1|dateform=dmy.20|643|2}} m/s² at longest axis}} ...

...rce in the center of the image, while background stars appear streaked due to the speed of {{okina}}Oumuamua as the telescope tracked it.<ref name="apod- ...moving objects) around 1 January 2018. By late 2019, it should have dimmed to 34 mag.}} ...

...the planetary centre, they do not experience appreciable changes on a day-to-day basis from the motion of the moons.</ref> ...9) occurs on 2042-Sep-04 at 29.80647406au during a rdot flip from negative to positive|publisher=NASA/JPL|access-date=7 September 2021|archive-date=7 Sep ...

...ntal]], [[molecule|molecular]], and [[mineral]]ogical composition in order to obtain information on the [[astronomical object]]s occurring in [[outer spa Three phenomena that relate (we know today) to cosmic dust were noticed by humans for millennia: [[Zodiacal light]], [[com ...