Sentences with phrase «failed stars»

By observing a brown dwarf 20 light - years away, researchers have found another feature that makes these so - called failed stars more like supersized planets — they host powerful aurorae near their magnetic poles.

Brown dwarfs can be thought of as failed stars because they are too small to fuse chemical elements in their cores.

With the increases in technology and astronomical know - how since then, a bounty of new objects may await discovery by WISE, from distant galaxies whose optical light is dwarfed by their infrared output to failed stars known as brown dwarfs, some of which may be closer to Earth than the star Proxima Centauri, the sun's nearest known neighbor.

But other astronomers claim the objects are very puny brown dwarfs, a type of failed star.

We've had John Terry reaping the natural rewards of being just as John Terry as ever, just slightly slower, and we've had Thibaut Courtois» failed star jump.

Confused astronomers named the objects failed stars, superplanets, or simply brown dwarfs.

Some MACHOs may be neutron stars left behind after supernovae explosions, but most are thought to be tiny failed stars called brown dwarfs which have a mass of less than 8 per cent that of the Sun and are too small to sustain nuclear fusion reactions.

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.

The discovery of a powerful aurora surrounding a distant failed star may in future aid astronomers in their hunt for habitable planets.

Brown dwarfs are sometimes called failed stars.

An international team of astronomers has succeeded in capturing the most comprehensive infrared view of the famous Orion Nebula to date, highlighting a surprising amount of failed stars and small planetary bodies.

By studying the light from these «failed stars,» astronomers can learn what they're made of.

FAILED stars may be more common than anyone thought.

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.

The other looked at an exoplanet locked in a binary system with a failed star whose mass is just 8 percent that of our sun.

Burned - out or failed stars can not account for nearly enough mass.

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.

For that reason, Hyman's team has not ruled out a lower - energy source, such as magnetic outbursts from a dim «failed star» called a brown dwarf.

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.

In this sense brown dwarf are «failed stars.»

A brown dwarf is essentially a failed star, having formed the way stars do through the gravitational collapse of a cloud of gas and dust, but without gaining enough mass to spark the nuclear fusion reactions that make stars shine.

Brown - dwarf buddies: Astronomers still can't agree on what to call brown dwarfs: Are they failed stars, without enough mass to kick - start the nuclear reactions of typical stars, or are they supersize planets?

Gas - giant planets more massive than Jupiter — as well as «failed stars» called brown dwarfs — should conversely have much shallower winds.

If it wasn't bad enough that these Jupiter - sized «failed stars» are born too lightweight to become suns, now it turns out they also run the risk of being swallowed whole by their parent stars.

Most brown dwarfs are «failed stars», objects that were born with too little mass to shine brightly by fusing hydrogen in their cores.

That puts it on the edge between brown dwarfs — failed stars, too small to burn hydrogen — and the very biggest planets.

It doesn't have enough mass to fuse atoms for fuel, as stars do, and it's too small to be a failed star.

In addition, some of the missing mass is thought to be made of ordinary, but dim, objects such as tiny «failed stars» called brown dwarfs.

Brown dwarfs — so - called failed stars that are too small to sustain the stable burning of hydrogen — fall somewhere in between stars and planets when it comes to mass and temperature.

A team of researchers, following a 5 - year campaign investigating candidate alien worlds spotted by NASA's Kepler mission, found that more than half of the giant exoplanets spotted by the orbiting telescope are not planets at all but a pair of stars orbiting each other, or a brown dwarf — or failed star (pictured)-- orbiting another star.

According to two new studies, such clouds also arise around the failed stars known as brown dwarfs — even ones as small as giant planets.

Brown dwarfs, sometimes called «failed stars,» are spread throughout the Milky Way.

LSR J1835 +3259 is either a red dwarf (a small star burning hydrogen) or a brown dwarf (a «failed star» that can't sustain nuclear fusion) spinning every 2.84 hours.

Observations of the nebula at purely infrared wavelengths reveal more than 600 brown dwarfs, so - called «failed stars» that each gives off more heat than it receives but lacks enough mass to ignite and produce nuclear fusion on its own.

It will spot everything from nearby cool, failed stars to intense, 10 - billion - year - old starburst galaxies.

But if you think the failed star moniker is a little pessimistic, you'll be excited to hear that astronomers have discovered a special brown dwarf that's more starlike than we ever thought a brown dwarf could be.

When it's a brown dwarf, otherwise known as a «failed star.»

So rather than calling brown dwarfs «failed stars,» perhaps we should call them overachieving planets or magneto - dwarfs.

Other objects reported by the group, at an American Astronomical Society meeting in Honolulu, included five failed stars, known as brown dwarfs.

These so - called failed stars are extremely dim as compared to their hotter counterparts, but their heat signatures light up when viewed in infrared images.

The image reveals 10 times as many planet - mass objects and failed stars called brown dwarfs than previously known.

The planet orbits 2M1207, a brown dwarf — a failed star that's too large to be a planet, but lacks the mass necessary to start nuclear fusion in its core — located five billion miles away.

This process, the astronomers explain, could provide an explanation for the very - low - mass «failed stars» called brown dwarfs.

Just 63 light - years away, there's a failed star known as a brown dwarf barely any bigger than Jupiter.

Too large to be considered planets, but too small to spark the internal nuclear reactions necessary to become full - blown stars, brown dwarfs — aka «failed stars» — are of particular interest to astronomers because of what they can teach us about planetary and star formation.

Jupiter is often referred to as a «failed star,» leading some futurists to wonder if our descendants might set it ablaze in a process called planetary stellification.