File:Phobos_colour_2008.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as Mars I, Phobos (moon), Mars I Phobos
卫星
OverviewAI-generated
Phobos is a celestial body with an apparent magnitude of 11.8 and an albedo of 0.071. It has a diameter of 22.5 and a mass of 10.66. The density of Phobos is 1.876, and its surface gravity is 0.0057. The name is pronounced "ˈfoːbɔs".
The object was discovered on August 17 and August 18, 1877. It orbits with a semi-major axis of 9377.1 and an eccentricity of 0.0151. The orbital inclination is 26.04, and the orbital period is 0.3189. Phobos is referenced by 785 other encyclopedia articles.
Synthesized by Vinony from 15 facts across 2 sources: Wikidata, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Article · 中文
火卫一,又稱為「福波斯」(英語:Phobos;希臘語:Φόβος;系統名稱:Mars I),是火星的两颗自然卫星中,距离火星较近且较大的一颗,平均半径为11.1公里,是另一颗卫星火卫二的1.8倍。火卫一的名字是福波斯(意思是害怕),是希腊神话中的战神阿瑞斯(在罗马神话中名叫玛尔斯)之子。 火卫一是一个形状不规则的小天体。围绕火星运动,轨道距火星中心约9400公里,也就是距离火星表面6000公里。火卫一到其母星的距离,比其他已知行星的卫星都要近。火卫一是太阳系中反射率最低的天体之一。火卫一上有一个巨大的撞击坑,叫斯蒂克尼撞击坑。由于轨道离火星很近,火卫一的转动快于火星的自转。因此,从火星表面看,火卫一从西边升起,在4小时15分钟或更短的时间内划过天空,在东边落山。由于轨道周期短以及潮汐力的作用,火卫一的轨道半径會逐渐变小,最终它将撞到火星表面,或者破碎形成火星环。
Abstract from DBpedia / Wikipedia · CC BY-SA
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On the map
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