What will the Betelgeuse supernova be like—and will it hurt us?
But it will actually be painful to look at because, unlike the full moon that is this gorgeous disk in the sky, Betelgeuse is ...
BBC4y
Supernova and black holes – Higher tier
More massive stars than the Sun have a very different life cycle and follow the right hand path in the diagram above: \({Nebula}\rightarrow{protostar}\rightarrow{main~sequence~star}\rightarrow{red ...