A minimum point of light, almost invisible, undetectable for billions of years, suddenly appears on the black background of the Universe. As a punctuation mark written in the space, stop reading telescopes to stop and focus on the most of their objectives. This short note is light the most distant object ever detected, a galaxy of resort-name christened UDFy 38135539, whose light has taken 13,000 million years to reach Earth. No celestial body most distant and oldest has never been seen before by humans. ESO
Status Approximate most distant galaxy in the center white square
As detection techniques have been developed, astronomers have been able to find ever more distant objects in space galaxies, stars or quasars that appeared only a few hundred million years after the Big Bang of the Big Bang, when the Cosmos, much smaller and less "busy" was very different than ours, and the appearance of the Earth was not even hinted at in the agenda of creation.
The galaxy has broken all records was first detected by the new Wide Field Camera 3 (WF3) of the telescope Space Telescope in 2009. Now, scientists at the European Southern Observatory (ESO) have been confirmed in research published in the journal Nature, the ancient nature. It has not been easy to find her, because its light, emitted only 600 million years after the Big Bang, the Earth has reached an extremely weak, largely because until that time a dense cloud of neutral hydrogen covered almost all the Universe. Discovering it is like finding a needle in a haystack ... foggy. To do this, have used the technique of spectroscopy, the most reliable for years to throw galaxies.
"We are seeing, if not the first generation of stars one of the first that appeared in the universe, and that has a very strong cosmological impact, "says Miguel Mas Hesse, Hesse researcher, is true. The findings career has been impressive in the last ten years. The last galaxy has driven the farthest object as a star discovered last year, whose death in the form of gamma ray burst, a powerful burst of energy came to Earth after traveling well over 13,000 million years. In turn, this "Neanderthal specimen", as described by English scientists involved in its detection, took the post to a playlist of galaxies and quasars formed when the universe was 700 to 800 million years.
The dark age The scientists now face an even greater challenge to find objects in an even earlier time, when the entire Universe was no more than 500 million years, structures belonging to the end of the so-called "age dark ', the time after which the first stars appeared and is still poorly understood. "We are confident that in the coming years, with the tools we already have, between them stands the Great Canary Telescope," we will be able to achieve "More promises. But it will be two large telescopes, the James Webb Space, which was launched in 2014, optimized to work on the wavelength of the emissions coming stars such "archaeological" and the very powerful and gigantic E-ELT, opening his great eye three years later in Chile, which can analyze in depth these wonders. When put into operation, the Universe will have fewer secrets.
oldest objects after the Big Bang:
1) 13,074,000 of years: The galaxy UDFy-38135539, discovered in 2009, is the farthest object and former
2) 13,035,000 years ago: The ray burst gamma GRB 090423, in which participated the CSIC
discovery
3) 12,968,000 years: A1689-zD1 galaxy. His age could be confirmed for a couple of years
4) 12,888,000 years: A2218 Galaxy, where massive stars are formed intensively
5) 12,882,000 years: Galaxy OIK 1. His age was confirmed by spectroscopy in 2006
6) 12,797,000 in years: The CFHQS quasar J2329-031, a galaxy dominated by a very massive black hole
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