early universe

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The missing galaxies in the early universe

Most of the stars in the universe are born, live, and die within a galaxy – a system containing millions (or billions) of stars. Galaxies are extremely numerous in the universe. No matter where we look in the night sky, or in which direction we... click to read more

Alba Covelo Paz | PhD Student at Observatory of Geneva

early universe

James Webb Space Telescope

Galaxy formation

Reading time 4 min

published on May 29, 2023

The Light of Earendel – The Most Distant Star Yet Observed

Looking through a telescope takes us on a journey through time as well as space. It takes time for light to cross the vast expanse of space, so when we look at distant objects through our telescopes we see them as they appeared long ago.... click to read more

Brian Welch | Postdoctoral Researcher at Johns Hopkins University

gravitational lensing

stars

early universe

Reading time 3.5 min

published on Feb 8, 2023