viernes, 22 de mayo de 2015

Discover the brightest galaxy in the cosmos

Imagine what it would be three hundred billion (10 ^ 12) suns. If you look directly to our central star can blind us forever, the thought of a brilliant mass of this caliber is unimaginable. Well that's WISE J224607.57-052635.0. It is not the friendliest in the world name, but it is the brightest galaxy ever seen by mankind in our universe. And it has been recently discovered by the space telescope WISE, which has cataloged this and other giants like within a new category called ELIRGs or extremely bright infrared galaxies. These are the most luminous galaxies in the known space. And of them, this is the queen of all.

galaxia mas brillante

Photo: NASA

This is the brightest galaxy

The brightest galaxy in the universe is very, very far from here. We've detected only through the issuance of its infrared light. And the data, the researchers believe is a mass mammoth with a monstrous black hole at its center. So very huge and colossal revolves around a disk of matter heated plasma composed of billions of degrees. The amount of energy emitted such an object is simply indescribable. High energy jets consist of X-rays, visible light and ultraviolet. But if so, should not we see the visible light? At the end of the day, it is the brightest galaxy in the universe, observe how the galaxy was made 12.5 million añoses a galaxy right? Well, the visible light actually strikes the dust clouds around, warming.It is these that transmit infrared light outside. And it is thanks to that that WISE has detected the galaxy. WISE telescope carries the universe in infrared observing only since 2010. Since then discovered for the first time ELIRGs, galaxies hitherto never observed and are characterized by extremely bright. According to calculations, the light has traveled about 12.5 billion years to reach us, so we're seeing a galaxy of long ago. Yet even then this galaxy had a black hole equivalent to billions of solar masses about our sun and has since gone ten million years. Now simply it has to be tremendous.

ELIRGs and evolution of the universe

How can black holes become so huge? There are several hypotheses about which are the subject of study in this research and other partners. First, it could be that his "seed" was exceptionally large. That is, that the black hole from which embryonic were already huge. Much more than was thought until now. The other two explanations, as discussed from NASA involve breaking or forcing some laws on the limits of black holes. Specifically, it is explaining the Eddington limit which is the maximum size that should be able to reach a black hole feeding on surrounding matter. This limit, explained, "The ELIRGs are among the objects discovered more recently" has been overcome in other specific occasions. But achieving such a size required to "break the limit" several times.

On the other hand, the black hole could be feeding material much faster than expected (and what they thought could happen), forcing its growth limit. In any case, astrophysicists are fascinated with the implications this has on the cosmic evolution of galaxies. The ELIRGs are very new galactic objects, still not well understood and that keep many mysteries. Mysteries universally, that is. Understanding how it appears, how they develop and how they will end you can tell us much of our universe. So far, only they have been discovered about 20 ELIRGs, including the brightest galaxy is cosmos. But we have only begun to explore this aspect of the sky. There are still many surprises waiting in between the huge black holes and galaxies brighter.

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