Sentences with phrase «objects failed stars»
Confused astronomers named the objects failed stars, superplanets, or simply brown dwarfs.
http://www.sciencemag.org/ Not exact matches
From the way the object bent the light, Andrew Gould of Ohio State University in Columbus and colleagues have now found that it is a brown dwarf — a «failed star» with too little mass to sustain the nuclear reactions that power stars.
PASADENA, CALIFORNIA — The surprising heat from 63 brown dwarfs is helping astronomers make the case that these puzzling objects are failed stars, and not big planets, as some have argued.
These failed stars, or brown dwarfs, inhabit a peculiar gray area between large planets and small stars, and their split personalities are providing scientists with new ways to learn about both kinds of objects.
Most brown dwarfs are «failed stars», objects that were born with too little mass to shine brightly by fusing hydrogen in their cores.
To explain the MOA results, some theorists guessed that many of the purported rogue giant planets were actually free - floating failed stars called brown dwarfs — intermediate objects that straddle the hazy line between being a planet and a sun.
But other astronomers claim the objects are very puny brown dwarfs, a type of failed star.
Other objects reported by the group, at an American Astronomical Society meeting in Honolulu, included five failed stars, known as brown dwarfs.
It is frequently applied to the coolest objects, including K - and M - dwarfs, which are true stars, and brown dwarfs, often referred to as «failed stars» because they do not sustain hydrogen fusion in their cores.