Star Formation That Began As Early As 250 Million Years After The Big Bang
Star formation in the very distant galaxy MACS1149-JD1 started at an unexpectedly early stage, only 250 million years after the Big Bang, based on observations of from Atacama Large Millimeter/submillimeter Array (ALMA) and ESO’s Very Large Telescope (VLT). Using infrared data taken with the NASA/ESA...