After the cosmic microwave background radiation was released, the Universe returned to darkness, cloaked in this clouds of primordial hydrogen and helium. Gravity pulled these vast clouds into the first stars, and then the first galaxies. This is Cosmic Dawn, and JWST will help us probe this mysterious time in the Universe.
Time for news roundup. This week @WSHCrew discuss about mission in Mars with update from Ingenuity, Insight, Perseverance. Also about rogue stars, naked planets and JWST.
Were the dark ages really dark? What is a perturbation, and how did they grow in the early universe?
A very special edition devoted entirely to Waking up to the cosmic dawn!