Features of some of the earliest galaxies in the universe are coming into sharper focus.
in the universe are coming into sharper focus. — will give astronomers their best shot yet of figuring out how the first stars and galaxies in the universe formed and evolved.
Astronomers want to know what role the first stars and galaxies played in that critical process — and how these early astronomical objects came to be.showing thousands of galaxies — some of which formed less than 1 billion years after the Big Bang — this week as part of the JWST's first five scientific photos.
As the universe expands, the wavelength of optical light from early galaxies increases and is shifted into the IR spectrum as it moves through space and time. These galaxies are too faint for us to see with the naked eye, but they can still be captured by the lenses and detectors of sensitive telescopes.
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