What is the Cosmos Redshift 7?

Cosmos Redshift 7 is a high-redshift Lyman-alpha emitter galaxy in the constellation Sextans, about 12.9 billion light travel distance years from Earth, reported to contain the first stars formed soon after the Big Bang during the reionization epoch, when the Universe was about 800 million years old—to have provided the chemical elements like oxygen, nitrogen, carbon, calcium, and iron needed for the later formation of planets and life as it is known. Notable features  Galaxy Cosmos Redshift 7 is reported to be three times brighter than the brightest distant galaxy known up to the time of its discovery and to contain some of the earliest first stars that produced the chemical elements needed for the later formation of planets and life as it is known. With five bright sources now confirmed and much more expected to follow, CR7 may be part of a ‘team’ of tens to hundreds of thousands of bright galaxies. The fifth galaxy, also discovered by Sobral and his team, takes the name VR7, this time in tribute to the astrophysicist Vera Rubin.

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