near-earth-asteroid-belt网络近地小行星带网络释义 1. 近地小行星带 天文学名词词汇三... ... near-earth asteroid 近地小行星 near-earth asteroid belt 近地小行星带 near-earth comet 近地彗星 ... www.hxen.com|基于30个网页© 2025 Microsoft 隐私声明和 Cookie 法律声明 广告 帮助 反馈...
Experimental/ asteroids/ near-Earth asteroid beltEarth-approaching asteroidsdiameterseccentricitiesinclinationsspectral properties50 m/ A9630H Asteroids/ size 5.0E+01 mIN January 1991, the 0.9-m Spacewatch telescope made the first observationof an asteroid outside Earth's atmosphere but in the ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook near-Earth asteroid (redirected fromNear Earth Asteroids) Encyclopedia near-Earth asteroid (nîr′ûrth′) n.Abbr.NEA An asteroid whose orbit around the sun brings it near Earth's orbit. ...
Evidence was recently reported for the existence of a near-Earth belt of small, Earth-approaching asteroids (SEAs) with diameters less than 50 m. This result was based upon observations made with the Spacewatch Telescope of the University of Arizona during the course of an ongoing search for ...
Near-Earth asteroid, Kamo’oalewa (469219), is one of a small number of known quasi-satellites of Earth; it transitions between quasi-satellite and horseshoe orbital states on centennial timescales, maintaining this dynamics over megayears. The similarit
1. 近地小行星 ... navigational object 导航天体near-earth asteroid近地小行星near-earth comet 近地彗星 ... www.cps-net.org.cn|基于57个网页 2. 地球附近的近地小行星 不过,现在已经接近这个撞击率增加现象的尾声。另外,现今地球附近的近地小行星(near-Earth asteroid)中有20%应该来自… ...
The meaning of ASTEROID BELT is the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found.
4) outer asteroid belt 外小行星带5) outer-belt asteroid 外带小行星6) near-earth asteroid belt 近地小行星带补充资料:小行星带 小行星带 小行星带是位于火星和木星轨道之间的小行星的密集区域,估计此地带存在着50万颗小行星。关于形成的原因,比较普遍的观点是在太阳系形成初期,由于某种原因,在火星与...
AnAmor-class asteroid, 1998 QE2 has anorbitof 3.77 years that takes it from the asteroid belt between Mars and Jupiter to just exterior of the Earth’s orbit. 1998 QE2 currently comes back around to our vicinity roughly every 15 years, completing about 4 orbits as it does so. Its perihel...
the bodies in the asteroid belt would have also agglomerated into a planet if not for the disturbing influence of Jupiter's gravity. 若不是木星重力的干扰,小行星带里的天体也会集块形成行星。 dictsearch.appspot.com 7. Unfortunately, Mars spent its youth in a bad neighborhood near the asteroid ...