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- {{short description|Second brightest naked-eye comet of 2020}} {{Use mdy dates|date=May 2020}} ...8 KB (1,088 words) - 17:21, 25 January 2025
- {{Short description|Variance in a celestial body's axis of rotation over time}} ...t=Seidelmann |editor-first=P. Kenneth |title=Explanatory Supplement to the Astronomical Almanac |pages=[https://archive.org/details/131123ExplanatorySupplementAstr ...9 KB (1,390 words) - 13:34, 19 October 2024
- {{Use dmy dates|date=September 2020}} | discovered = 2 March 2011<br />{{small|(first observation only)}} ...13 KB (1,888 words) - 13:08, 4 July 2024
- | discovered = 3 November 2018 | epoch = 2020-May-31 ([[Julian day|JD]] 2459000.5) ...12 KB (1,637 words) - 19:12, 27 November 2023
- {{Use dmy dates|date=September 2020}} | discovered = 17 September 2010 ...8 KB (960 words) - 18:25, 2 February 2025
- {{Use dmy dates|date=September 2020}} | discovered = 8 March 2003 ...7 KB (949 words) - 20:10, 27 November 2023
- {{Short description|Brown dwarf in the constellation Chamaleon}} ...the ejection hypothesis, a proposed hypothesis in which brown dwarfs form in a multiple system, but are ejected before they gain enough mass to burn [[h ...6 KB (818 words) - 20:34, 13 February 2025
- | discovered = 2 July 2022 ...from Earth.<ref name=jpldata/> It will return as a [[temporary satellite]] in December 2051.<ref name="minimoon"/><ref name="spectrum"/> ...11 KB (1,509 words) - 21:39, 10 September 2024
- {{Short description|Variable star in the constellation Orion}} ...msu.su/groups/cluster/gcvs/gcvs/iii/iii.dat |date=2017-06-20 }}, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line December 8, 2008.</ref> ...11 KB (1,607 words) - 18:34, 20 October 2024
- {{dmy|date=September 2020}} ...tion = {{mp|2014 WC|510}} imaged by the [[Hubble Space Telescope]] in March 2024 ...19 KB (2,529 words) - 02:34, 11 December 2024
- | discovered = 27 April 2015 ...f name="PlanetarySociety"/> Observations leading to its discovery occurred in April 2015, using the [[Hubble Space Telescope]]'s [[Wide Field Camera 3]], ...13 KB (1,681 words) - 05:21, 23 February 2025
- {{DISPLAYTITLE:{{mp|2020 CD|3}}}} {{Use dmy dates|date=February 2020}} ...34 KB (4,351 words) - 19:01, 4 February 2025
- | discovered = 7 August 2024 ...estrial-impact Last Alert System|ATLAS]] [[South Africa]], [[South African Astronomical Observatory|Sutherland]] ...13 KB (1,628 words) - 05:08, 24 February 2025
- | discovered = 5 April 2000 | aphelion = 2.9023 [[Astronomical unit|AU]] ...12 KB (1,434 words) - 00:05, 19 January 2024
- {{Use dmy dates|date=January 2020}} {{Short description|Coherent, wave-shaped gaseous structure in the Milky Way}} ...10 KB (1,415 words) - 21:58, 30 September 2024
- | discovered = 6 July 2017 ...=en-au|access-date=2017-07-07}}</ref> It is 385 [[light-year]]s from Earth in the [[Centaurus]] constellation.<ref name="nasa"/> ...12 KB (1,655 words) - 23:55, 15 February 2025
- {{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 ...8 KB (1,037 words) - 12:15, 3 August 2024
- | discovered = 24 February 2009 | aphelion = 1.7361 [[Astronomical unit|AU]] ...19 KB (2,431 words) - 21:09, 13 February 2025
- {{short description|Meteoroid that impacted near Ontario, Canada in November 2022}} | discovered = 19 November 2022 ...14 KB (1,804 words) - 09:37, 31 January 2025
- {{Short description|Pulsar in the constellation Sagitta}} ...ock]]. The red and white are the colors of the shock structures discovered in [[x-ray]] by the [[Chandra X-ray Observatory]].}} ...8 KB (1,140 words) - 06:20, 22 December 2023