16 May 2018
Astronomers find stars forming just 250 million years after Big Bang
... did the very first galaxies emerge from an epoch known as the “cosmic dawn” – a period of total darkness that followed after the Big Bang. “Determining when cosmic dawn occurred is akin to the Holy Grail of cosmology and galaxy formation...
30 March 2016
Have astronomers found the signatures of the very first black holes formed through the collapse of gas clouds?
... on board the Hubble Space Telescope. It is designed to focus on two critical epochs in cosmic evolution, “Cosmic Dawn", less than 1 billion years after the Big Bang and "Cosmic High Noon", 2-4 billion years after the Big Bang. In the first...
05 January 2016
High-Energy X-rays show Andromeda Galaxy in a different light
..., may play a crucial role in heating of the intergalactic gas at very early times in the universe, around the cosmic dawn," said Ann Hornschemeier of NASA Goddard, the principal investigator of the NuSTAR Andromeda studies. Andromeda, also known...
