Shortly after the universe was born, it was plunged into darkness. The first stars turned on when hot gas coalesced around clumps of dark matter, then contracted and became dense enough to ignite the nuclear hearts of infant suns.
As those early stars began breathing ultraviolet light into the cosmos, their photons mingled with primordial hydrogen gas, causing it to absorb background radiation and become translucent. When that happened, those hydrogen atoms produced radio waves that traveled through space at a predictable frequency, which astronomers can still observe today with radio telescopes.
The same process is going on in modern stars as they continue to send light into the cosmos. But the radio waves produced by those first stellar gasps have been traveling through space for so long that they’ve been stretched, or redshifted. That’s how astronomers identified the fingerprints of the earliest stars in radio waves detected by a small antenna in western Australia.
Earliest stars of the universe
An updated time line of the universe shows the first stars being born by about 180 million years after the big bang. `
Take a look at this SITE to learn about the early UNIVERSE and COSMIC REIONIZATIONS.
KIDDIES here are MY punch-lines from a story written by Bob Dylan:
Half the people can be part-right all of the time
Some of the people can be all-right part of the time
But all of the people can’t be all-right all of the time
I think Abraham Lincoln said that
I’ll let you in my dream if I can be in yours
I said that …. Bob Dylan
Carry On in the FLOW
I said that …. Ted Pateas