Hundreds of galaxies illuminate the early universe 

Today's Image of the Day from the European Space Agency features Abell S1063, a massive galaxy cluster located about 4.5 billion light-years from Earth. The galaxy cluster was captured by the Webb telescope in stunning detail. According to ESA, the image is what’s known as a deep field - a long exposure of a single area of the sky, collecting as much light as possible to draw out the most faint and distant galaxies that don’t appear in ordinary images.  Galaxies of the...