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...body's path. It is usually given in days or years. The term is mostly used in the discovery and tracking of [[asteroids]] and [[comets]]. Arc length has ...to determine if the object was in orbit around the Earth, or orbiting out in the [[asteroid belt]]. With a 1-day observation arc, {{mpl|2004 PR|107}} wa ...

{{short description|Open cluster in the constellation Carina}} | caption = Open cluster NGC 3114 in Carina ...

| discovered = 17 September 2010 | aphelion = 1.0785 [[Astronomical unit|AU]] ...

{{Short description|Variable star in the constellation Fornax}} ...designation|R]] For, [[Cordoba Durchmusterung|CD]]−26°892, [[Infrared Astronomical Satellite|IRAS]] 02270-2619, [[2MASS]] J02291531-2605559 ...

{{short description|Galaxy in the constellation Cassiopeia}} ...after [[Paolo Maffei]], who discovered it and the neighboring [[Maffei 2]] in 1967 via their [[infrared]] emissions. ...

{{Short description|Binary star in the constellation Cetus}} '''Mu Ceti''' (μ Ceti) is a [[binary star]] in the [[constellation]] [[Cetus]], the whale, close to [[Pisces (constellatio ...

| discovered = 3 August 1998 | aphelion = 2.8048 [[Astronomical unit|AU]] ...

{{short description|Luminous blue variable star in the constellation Sagittarius}} ...= 1403.5298|title = Nature Versus Nurture: Luminous Blue Variable Nebulae in and Near Massive Stellar Clusters at the Galactic Center|journal=The Astrop ...

{{Short description|Star in the constellation Aquila}} ...olved stars: Application to HD 179821|journal=Monthly Notices of the Royal Astronomical Society|volume=388|issue=2|pages=716|last1=Nordhaus|first1=J.|last2=Minchev ...

{{short description|Binary star in the constellation Carina}} |caption=Location of WR 30a (circled in red) ...

{{Short description|Multiple star system in the constellation Puppis}} ...41700''' is a star system that lies approximately 88 [[light-years]] away in the constellation of Puppis. The system consists of two bright stars where ...

...[Ellis R. Lippincott Award]] {{small|(1998)}}<br/>[[E. Bright Wilson Award in Spectroscopy]] {{small|(2002)}}<br/>[[Davy Medal]] {{small|(2004)}} ...is a Japanese-American [[spectroscopist]] and [[astronomer]] specializing in the field of [[galactic astronomy]], known as a pioneer of [[astrochemistry ...

{{short description|Star in the constellation Cygnus}} ...493|issue=1|pages=468–476|doi=10.1093/mnras/staa174|doi-access=free |arxiv=2001.06020 }}</ref> {{nowrap|{{val|270,000|50000|50000|fmt=commas}}<ref name=zha ...

{{Short description|Concept in astronomy}} ...ndicative of the presence of a central mass. The ''M–σ'' relation is shown in blue.]] ...

{{Short description|Ringed dwarf planet in the Kuiper belt}} | discovered = 4 June 2002 ...

{{Short description|Comet that had a close encounter with Mars in 2014}} {{For|other comets discovered by the Siding Spring Observatory|Comet Siding Spring (disambiguation)}} ...

{{short description|Set of gravitationally bound objects in orbit}} ...ngs and small ring moons. Further to the right large round moons are shown in order of their distance.| caption1 = Saturn, its rings and major icy moons— ...

...e:Barnard2005.gif|thumb|[[Barnard's Star]], showing position every 5 years in the period 1985–2005. Barnard's Star is the star with the highest [[proper In [[astronomy]], '''stellar kinematics''' is the [[Observational astronomy|ob ...

...ly form of [[Cave painting|cave markings]] and drawings, [[calendar]]s and astronomical symbols. Then books and written records became the main source of informati ...previous models, thus, the early models are kept track of by intellectuals in astronomy, an extended progress from trying to perfect the [[Geocentric orb ...

{{Short description|Large collections of gas found in the galactic halo of the Milky Way}} ...Cs around the Andromeda Galaxy, but this treats the phenomena as Milky Way objects|date= April 2013}} ...