oort cloud
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奥尔特云, 奥尔特星云
a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets
- The Oort Cloud is a theorized reservoir of comets and icy bodies that extends far beyond the solar system.
奥尔特云是一个理论上的彗星和冰体储存库，延伸到太阳系以外很远的地方。
- The Oort Cloud is considered a source of long-period comets that occasionally enter the inner solar system.
奥尔特云被认为是偶尔进入内太阳系的长周期彗星的来源。
- The Oort Cloud's existence helps explain the occasional appearance of comets from unexpected directions.
奥尔特云的存在有助于解释偶尔从意想不到的方向出现的彗星。
- The Oort Cloud is challenging to observe directly due to its vast distance and diffuse nature.
奥尔特云由于距离遥远且性质分散，直接观测具有挑战性。
- The Oort Cloud is a key component in models of solar system formation and dynamics, influencing the distribution of comets in our cosmic neighborhood.
奥尔特云是太阳系形成和动力学模型中的关键组成部分，影响着我们宇宙邻居中彗星的分布。