ultracool (Meaning)

ultracool

extremely or extraordinarily cool, very good or fashionable

The discovery of an ultracool brown dwarf star has shed new light on the formation of our solar system.
Ultracool dwarfs, with their extremely low surface temperatures, emit most of their energy in the infrared spectrum.
Researchers have detected the presence of water vapor and organic molecules in the atmospheres of certain ultracool dwarfs.
The TRAPPIST-1 system, located 40 light-years away, is composed of seven ultracool dwarf stars that host potentially habitable planets.
Ultracool giants, which are larger and brighter than ultracool dwarfs, are a relatively rare type of star.
The search for life beyond Earth often focuses on planets orbiting ultracool stars, due to their potentially longer habitable zones.
Ultracool magnetic dwarfs exhibit strong magnetic fields that can influence the behavior of their atmospheres.
The study of ultracool stars provides valuable insights into the evolution of low-mass stars.
The red flair emitted by some ultracool dwarfs can illuminate nearby planets, making them easier to detect.
The James Webb Space Telescope will enable astronomers to observe ultracool stars and exoplanets with unprecedented sensitivity and detail.

extremely or extraordinarily cool, very good or fashionable

ultrahip, ultrasophisticated, ultrasmart, foppish, elegant, ultraposh, dandyish, flashy,ultrachic, stately

unfashionable, unattractive, uncool,out, tacky, unchic, unbecoming, cheesy, outmoded, dowdy

The discovery of an ultracool brown dwarf star has shed new light on the formation of our solar system.

Ultracool dwarfs, with their extremely low surface temperatures, emit most of their energy in the infrared spectrum.

Researchers have detected the presence of water vapor and organic molecules in the atmospheres of certain ultracool dwarfs.

The TRAPPIST-1 system, located 40 light-years away, is composed of seven ultracool dwarf stars that host potentially habitable planets.