most of which gravitated to the disk's center — which would eventually become the sun — while the rest remained a swirling nebula of ionized gas. Scientists think a magnetic field existed ...
The star AG Carinae is battling gravity and radiation to prevent self-destruction, surrounded by a vast shell of gas and dust. Its nebula spans about five light-years, roughly the distance to Alpha ...
It’s hard to pick a favorite, but a fresh look at the M16 Eagle Nebula is a highlight ... such as the debris from exploded stars and material swirling around black holes.” ...