Which came first: stars or galaxies? - BBC Sky at Night Magazine
After the Big Bang did stars form first and gather into galaxies, or did the first galaxies form with stars in place? Is the answer 'neither'?
Early Universe - NASA Science
Imagine light leaving the first stars and galaxies nearly 13.6 billion years ago and traveling through space and time to reach our telescopes. We're essentially seeing these objects as they were when the light first left them 13.6 billion years ago.
The Beginning to the End of the Universe: The first stars are born
Jan 13, 2021 · Astronomers think this took a few hundred million years, but, at the end of that time, the first galaxies had formed.
The First Stars in the Universe - Scientific American
Jan 19, 2009 · The first stars did not appear until perhaps 100 million years after the big bang, and nearly a billion years passed before galaxies proliferated across the cosmos. Astronomers have long...
The 1st stars in the universe formed earlier than thought
Jun 8, 2020 · Researchers probing the early universe found no sign of first-generation stars in galaxies that existed just 500 million to 1 billion years after the Big Bang.
The appearance of the first stars and protogalaxies (perhaps as early as 100 million years after the big bang) set off a chain of events that transformed the universe.
What happened in the early universe? | Center for Astrophysics ...
To complement LEDA’s cosmic dark age research, scientists at the CFA Institute for Theory and Computation run simulations of the early Universe and how the first stars formed. After dark matter first clumped together, it attracted large clouds of hydrogen.
The formation of the first stars and galaxies | Nature
May 7, 2009 · Earlier still lies the remaining frontier, where the first stars, galaxies and massive black holes formed. They fundamentally transformed the early Universe by endowing it with the first...
How Did the First Stars and Galaxies Form?
Aug 8, 2010 · "A lucid, concise account of our current understanding of how light burst from darkness when the first stars and galaxies formed early in the expansion of the universe.
First Stars and Galaxies | Kavli Institute for Particle Astrophysics ...
Roughly 400,000 years after the Big Bang, the Universe—bathing in the afterglow of radiation that we see today as the cosmic microwave background—began to enter the cosmic “dark ages,” so named because the luminous stars and galaxies we see today had yet to form.