cosmic cloud

基本解释

This helmet-shaped cosmic cloud with wing-like appendages is popularly called Thor's Helmet.
这个头盔形状、有着翅膀一样的附加物的宇宙云通常被称作雷神（索尔）的头盔。
In silhouette against a crowded star field toward the constellation Scorpius, this dusty cosmic cloud evokes for some the image of an ominous dark tower.
在天蝎座拥挤的星野背景衬托下显出暗色轮廓，这个多尘的宇宙云的形象让人联想起某种不祥的黑塔。
Explanation: In silhouette against a crowded star field toward the constellation Scorpius, this dusty cosmic cloud evokes for some the image of an ominous dark tower.
解说：在天蝎座方向上一大群恒星领域中的这张剪影中，这片灰蒙蒙的星际云让人联想到一座不详的暗黑之塔。

Just how much cosmic rays affect cloud formation has, however, remained elusive.
ECONOMIST: Climate science (II)
And thus the debate stood, until a Danish scientist named Henrik Svensmark suggested something outrageous — that cosmic rays might seed cloud formation.
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Svensmark then teamed up with Friis-Christensen to review solar activity, cloud cover and cosmic ray levels recorded using satellite data available since 1979.
FORBES: Sorry, But With Global Warming It's The Sun, Stupid