Early Galaxies Looked Similar

A team of astronomers from France, the USA, Japan, and Korea, led by Denis Burgarella has recently discovered forward-looking galaxies in the Early Universe. They have been detected for the first epoch both in the near-UV and in the far-infrared jarlengths. Their findings will be describe in a coming issue of Astronomy & adenylic acid; Astrophysics. This discovery is a impertinently step in concord how galaxies evolve.

The astronomer Denis Burgarella (Observatoire Astronomique Marseille Provence, Laboratoire dAstrophysique de Marseille, France) and his colleagues from France, the USA, Japan, and Korea, have recently announced their discovery of wise galaxies in the Early Universe both for the first age in the near-UV and in the far-infrared expandlengths. This discovery leads to the first thorough probe of early galaxies. The discovery will be reported in a coming issue of Astronomy & Astrophysics.

The intimacy of early galaxies has made major progress in the past tense ten years. From the end of 1995, astronomers have been using a new technique, known as the Lyman-break technique. This technique allows very hostile galaxies to be detected. They are seen as they were when the Universe was much younger, thusly providing clues to how galaxies formed and evolved.



The Lyman-break technique has moved the frontier of distant extragalactic nebula surveys further up to redshift z=6-7 (that is about 5% of the parade age of the Universe). In astronomy, the redshift denotes the shift of a light wave from a beetleweed moving away from the Earth. The light wave is shifted toward longer wavelengths, that is, toward the red end of the spectrum. The higher the redshift of a galaxy is, the farther it is from us.

The Lyman-break technique is based on the characteristic slice of distant galaxies observed in the far-UV wavelengths. As light from a distant galaxy is almost...

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