冥王星

Also known as (134340) Pluto, Sol j

位於太陽系中的矮行星

AI overview

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Key facts

Planet.name: Pluto
Planet.minorplanet: yes
Planet.symbol: 24px|♇|class=skin-invert or 24px|⯓|class=skin-invert
Planet.image: Pluto in True Color - High-Res.png
Planet.caption: Pluto in true color as imaged by the New Horizons spacecraft in July 2015.
Planet.background: Lavender
Planet.discoverer: Clyde W. Tombaugh
Planet.discovered: February 18, 1930
Planet.discovery_site: Lowell Observatory
Planet.mpc_name: (134340) Pluto
Planet.named_after: Pluto
Planet.epoch: J2000
Planet.earliest_precovery_date: August 20, 1909
Planet.synodic_period: 366.73 days
Planet.avg_speed: 4.743 km/s
Planet.satellites: 5
Planet.dimensions: (observations consistent with a sphere, predicted deviations too small to be observed)
Planet.escape_velocity:  km/s

via Wikipedia infobox

Research

658 papers

Finding Pluto: An Analytics-Based Approach to Safety Data Ecosystems.ReviewSafety and health at work · 2021Barker TTDOI: 10.1016/j.shaw.2020.09.010
Prebiotic Chemistry of Pluto.Astrobiology · 2019Cruikshank DP, Materese CK, Pendleton YJ et al.DOI: 10.1089/ast.2018.1927
To pluto.Nature · 2015DOI: 10.1038/522006b
Neptune, the Next Pluto?-Durvalumab and Tremelimumab Face Challenges in Entering the NSCLC Space.Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer · 2023Ahn JY, Nagasaka MDOI: 10.1016/j.jtho.2022.11.004
The crystallography of Pluto.IUCrJ · 2020Salzmann CG, Rosu-Finsen ADOI: 10.1107/S205225252001163X
Pluto story.Nature · 2000Silverberg RDOI: 10.1038/35000306
Broad-spectrum antibiotics disrupt homeostatic efferocytosis.Nature metabolism · 2024Saavedra PHV, Trzeciak AJ, Lipshutz A et al.DOI: 10.1038/s42255-024-01107-7
Large-scale cryovolcanic resurfacing on Pluto.Nature communications · 2022Singer KN, White OL, Schmitt B et al.DOI: 10.1038/s41467-022-29056-3

via PubMed

Wikidata facts

Has part: atmosphere of Pluto
Named after: Pluto
Highest point: Tenzing Montes
Location: outer Solar System
Parent body: Sun
Minor-planet group: trans-Neptunian object
Diameter: 2376
Radius: 1185
Mass: 13.05
Orbital period: 90553.02
Image: Pluto in True Color - High-Res.jpg
Said to be same as: Yuggoth

Show 34 more facts

discoverer or inventor: Clyde Tombaugh
Commons category: 134340 Pluto
time of discovery or invention: 1930-02-18
site of astronomical discovery: Lowell Observatory
topic's main category: Category:Pluto
orbital eccentricity: 0.24880766
Commons gallery: 134340 Pluto
described by source: Armenian Soviet Encyclopedia
semi-major axis of an orbit: 39.48211675
orbital inclination: 11.88
argument of periapsis: 224.06891629
longitude of ascending node: 110.30393684
named by: Venetia Burney
geography of topic: geography of Pluto
rotation period: 6.387230
apparent magnitude: 15.1
absolute magnitude: -0.7
albedo: 0.58
periapsis: 4438120030.06
apoapsis: 7376671004.22
synodic period: 366.73
flattening: 1
epoch: J2000.0
mean anomaly: 25.2471897
density: 1.85
temperature: 55
different from: Pluton
hashtag: Pluto
Unicode character: ♇
Stack Exchange tag: astronomy.stackexchange.com/tags/pluto
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
IPA transcription: ˈpluːto
surface gravity: 0.62
studied by: geology of Pluto

Sources (15)

via Wikidata · CC0

Article · 中文

冥王星（小行星序号：134340 Pluto；天文符號：⯓，Unicode編碼U+2BD3、♇，Unicode編碼U+2647），又稱冥神星，是太陽系柯伊伯带中的矮行星。冥王星是第一颗被发现的柯伊伯带天体。冥王星是太阳系内已知体积最大、质量第二大的矮行星。在直接围绕太阳运行的天体中，冥王星体积排名第九，质量排名第十。冥王星是体积最大的海王星外天体，其质量仅次于位于离散盘中的阋神星。与其他柯伊伯带天体一样，冥王星主要由岩石和冰组成。相較月球，冥王星仅有月球质量的六分之一、月球体积的三分之一。冥王星的轨道离心率及倾角皆较高，近日点为30天文单位（44亿公里），远日点为49天文单位（74亿公里）。冥王星因此周期性进入海王星轨道内侧。海王星与冥王星因相互的轨道共振而不会碰撞。在冥王星距太阳的平均距离上，阳光抵達冥王星需時5.5小时。 1930年克莱德·汤博发现冥王星，并将其视为第九大行星。1992年后在柯伊伯带发现的一些质量与冥王星相若的冰制天体挑战了冥王星的行星地位，2005年发现的阋神星质量甚至比冥王星质量多出27%，国际天文联合会（IAU）因此在翌年正式定义行星概念。新的定义将冥王星排除在行星范围之外，将其歸類为矮行星以及類冥矮行星。冥王星目前已知的卫星总共有五颗：冥卫一、冥卫二、冥卫三、冥卫四、冥卫五。冥王星与冥卫一的共同质心不在任何一天体内部，因此有时被视为一联星系统。IAU并没有正式定义矮行星联星，因此冥卫一仍被定义为冥王星的卫星。 2015年7月14日新视野号探测器成为首架飞掠冥王星的宇宙飞船。在飞掠的过程中，新视野号对冥王星及其卫星进行了细致的观测。發現冥王星的地貌特徵與太陽系八大行星有許相似之處，而且有冰火山與數千公尺的山脈佇立於甲烷層與冰凍的氮氣上面，冰川溫度可能達攝氏零下200度以下。新视野号的影像顯示，冥王星地底下可能有由半融化水冰而成的海洋，這意味著地底可能存在熱源。

Abstract from DBpedia / Wikipedia · CC BY-SA