space jellyfish
An atmospheric phenomenon of the early morning or late evening, where the ground is in…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.
Meaning
2 senses(informal)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.
(informal)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.
Origin
space + jellyfish. From having a jellyfish-like appearance, and being in the sky.space + jellyfish. From having a jellyfish-like appearance, and being in the sky.
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Forms
plural: space jellyfishes / space jellyfish| Singular | space jellyfish |
|---|---|
| Plural | space jellyfishes / space jellyfish |
regular
Synonyms
2 synonymsLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular