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月球
ConceptQ405· pop 355· linked from 7,893 articles

Also known as The Moon, ☾, Luna, ☽, Earth I, Sol IIIa, moon, Lua

地球唯一的天然衛星

OverviewAI-generated

The Moon is a planetary-mass regular moon in a high Earth orbit around its parent body, Earth. It is part of the Earth-Moon system and has an orbital eccentricity of 0.0567. Its semi-major axis is 384400, and it completes an orbital period of 27.321661. The object has an apparent magnitude of -12.74 and a radius of 1738.14. Its mass is 73.4767, with a flattening of 0.00125.

The Moon possesses an atmosphere, lunar soil, and the Montes Pyrenaeus. It exhibits a magnetic field and moonquakes. It was named after brightness and has existed for about 4527 million years. The Unicode characters ☾ and ☽ represent the subject. It is described by sources including the Bible Encyclopedia of Archimandrite Nicephorus and the Brockhaus and Efron Encyclopedic Dictionary. The topic appears in the Commons category and gallery for Moon.

Synthesized by Vinony from 26 facts across 4 sources: Wikidata, PubMed, Vinony graph, Geo. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

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Key facts

Planet.name
Moon
Planet.apsis
gee
Planet.symbol
24px|☾|class=skin-invert or 24px|☽|class=skin-invert
Planet.image
FullMoon2010.jpg
Planet.image_alt
Full Moon in the darkness of the night sky. It is patterned with a mix of light-tone regions and darker, irregular blotches, and scattered with varied circles surrounded by out-thrown rays of bright ejecta: impact craters.
Planet.caption
Near side of the Moon, lunar north pole at top
Planet.background
Thistle
Planet.mpc_name
Earth I
Planet.periapsis
 km(– km)
Planet.apoapsis
 km(– km)
Planet.mean_orbit_radius
(; 1/384 AU; )
Planet.semimajor
(; 1/389 AU; )
Planet.inclination
5.145° to the ecliptic
Planet.satellite_of
Earth
Planet.equatorial_radius
(0.2725 of Earth's)
Planet.polar_radius
(0.2731 of Earth's)
Planet.mean_radius
(0.2727 of Earth's)
Planet.circumference
(equatorial)

via Wikipedia infobox

Research

50,784 papers

via PubMed

Wikidata facts

Instance of
regular moon
Has part
lunar soil
Named after
brightness
Area
37930000
Highest point
Selenean summit
Parent body
Earth
Child body
Chandrayaan-2
Distance from Earth
385000.5
Diameter
3476.2
Radius
1735.97
Mass
73.4767
Orbital period
27.321661
Image
Artemis II in Eclipse.jpg
Show 34 more facts
type of orbit
high Earth orbit
apparent magnitude
-12.74
orbital eccentricity
0.054908
Commons category
Moon
inception
4527000000
topic's main category
Category:Moon
flattening
0.00125
Commons gallery
Moon
topic's main Wikimedia portal
Portal:Moon
Unicode character
☽
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
has characteristic
moonquake
semi-major axis of an orbit
384400
albedo
0.136
history of topic
origin of the Moon
surface gravity
1.62
orbital inclination
5.145
patronage
12
temperature
390
angular diameter
34.1
density
3.344
volume as quantity
21968000000
apoapsis
405500
periapsis
363300
synodic period
29.530589
topic has template
Template:The Moon
located on astronomical body
Moon
lowest point
Antoniadi
attendance
12
native label
Moon
has effect
lunar orbit
Sources (13)

via Wikidata · CC0

Article · 中文

月球,即地卫一,俗称月亮,是地球唯一的天然衛星,直徑略大于地球的四分之一,質量约为地球的1/81,相对于所环绕的行星,它是体积和质量最大的卫星,并且是太陽系中第五大的衛星,也是太阳系内密度第二高的卫星,仅次于木卫一。 一般认为月亮形成于约45亿年前,即地球出现后的不久。有关它的起源有几种假说,但沒有一種能完全合理地作毫無破綻的解釋,最被普遍认可的是大碰撞說,它假設月球形成于地球与火星般大小的「特亞」之间的一次巨大撞击。 它的自轉與公轉同步(潮汐鎖定),因此以同一面朝向地球。月球正面標記著黑暗的火山熔岩海,中間夾雜著明亮和古老地殼的高地和明顯的陨石坑。從地球用肉眼觀測,月球是除了太阳之外最亮的天體,尽管它看起來非常明亮,但其表面实际很暗,反射率仅略高于旧沥青。由于月球在天空中非常容易被觀測,再加上規律性的月相變化,使它自古以來就对人类文化如曆法、藝術和神話等产生重大影響。月球的引力影響造成地球海洋的潮汐和每一天的時間延長。月球現在與地球的距離,大約是地球直徑的30倍,換而言之,將太陽系八大行星外加冥王星塞進地球與月球間還有餘剩空間。而月球與太陽的大小比率與距離的比率相近,使得它的視覺大小與太陽幾乎相同,在日食時月球可以完全遮蔽太陽而形成日全食。 月球是第一个人類曾經登陸過的地外星球。前蘇聯的月球計划在1959年发射了第一艘登月的無人太空船,而美國NASA的阿波羅計畫是到目前為止,唯一實現的載人登月任務。阿波羅8號在1968年曾載人環繞月球,1969年阿波羅11號首次載人登陆月球,至1972年人类共六次登月成功。這些任務总共帶回超過380公斤的月球岩石,其中有些被用於研究月球的地質,以了解月球的起源(通过相关的研究提出月球形成于45億年前的巨大撞擊假说),月球內部結構形成以及月球形成后的歷史。在1972年阿波羅17號之後,只有無人太空船繼續拜訪月球,其中最值得一提的是蘇聯的月球步行者漫遊車。自從2004年,日本、中國、印度、美國和歐洲太空總署都發射了繞月衛星。這些太空探測器確認了月球極區上永久陰暗的坑穴的土壤中有水冰的存在。2019年中國的探測器嫦娥四號首次登陸月球背面进行勘察,次年嫦娥五號携带月壤样本于2020年12月17日1時59分返回地球。现在人类有載人重新登陆探測月球的計畫,例如美國重返月球計畫、中國探月工程等已經確定實施,但細節均在研議階段,短時間內還未能成行。现在在外太空條約下,月球依然是所有國家以和平的用途可以自由前往探測的場所。

Abstract from DBpedia / Wikipedia · CC BY-SA

Gallery (53)

On the map

6 mapped locations

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