美国航天局说，在地球上稀疏的白色卷云是由冰晶所组成的。
On Earth, NASA says, white wispy cirrus clouds are made of ice crystals.
弗吉尼亚理工大学（Virginia Tech）的科技系教授，化学家亚伦•戈尔斯坦解释说，快速冷冻意味着冰晶根本来不及形成。
The quick freeze means ice crystals don't have as much time to form, explained Aaron Goldstein, a chemist and Virginia Tech professor.
媒体报道说，这可能是火焰彩虹，由阳光通过冰晶云折射后发生。
Media reports said it was likely a fire rainbow, which occurs when sunlight refracts through ice-crystal clouds.
据科学家们说，这种奇特的现象叫日晕或者叫“假太阳”。它是由云里的冰晶体折射所形成的。
The special phenomenon, according to scientists, is a solar halo, or "mock sun", which results from the refraction of ice crystal particles contained in clouds.
据科学家们说，这种奇特的现象叫日晕或者叫“假太阳”。它是由云里的冰晶体折射所形成的。
The special phenomenon, according to scientists, is a solar halo, or "mock sun", which results from the refraction of ice crystal particles contained in clouds.
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