When the beloved Prophet ﷺ was born a radiant light accompanied him and he lifted his head towards the heavens and the mother of ‘Uthman bin Abi al-Aas witnessed stars lowering themselves and a light so bright appeared that she could see nothing other than light.
{Dala’il an-Nabuwwah lil’ Bayhaqi, Volume 1, pg. 113; Musnad of Imam Ahmad, Volume 4, pg. 127}