space jellyfish (English, noun)
expansion: space jellyfish (plural space jellyfishes or space jellyfish)
Senses:
topics: aerospace
astronautics
business
engineering
natural-sciences
physical-sciences
qualifier: space flight
glosses: 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.
tags: informal
topics: aerospace
astronautics
business
engineering
natural-sciences
physical-sciences
qualifier: space flight
glosses: 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.
tags: informal
Forms:
form: space jellyfishes
tags: plural
form: space jellyfish
tags: plural