space jellyfish

短语

词形变化

space jellyfishes 复数

释义与例句

n.
  1. 1.

    An atmospheric phenomenon of the early morning or late evening, where the ground is in nighttime, but sunlight shines through the upper atmosphere, whereby rocket exhaust, the rocket plume, expanding in the upper atmosphere reflects light, creating a visual appearance similar to that of a jellyfish. It can result in reports of UFO sightings.

    非正式 航空 商务 工程
  2. 2.

    An atmospheric phenomenon of the moon-lit nighttime, whereby expanding rocket exhaust in the night sky reflects moonlight, creating the appearance similar to that of a jellyfish.

    非正式 航空 商务 工程

词源

space + jellyfish. From having a jellyfish-like appearance, and being in the sky.

来源:wiktionary