SYFY WIRE Orion Nebula Earth's equatorial belt ... of satellites By Phil Plait 6 years ago 500 years ago, a huge multi-star collision in Orion triggered a ridiculously powerful cosmic explosion By Phil Plait 7 years ago Stunning astrophotos: Orion in context, and in detail By Phil Plait 7 years ago
500 years ago, a huge multi-star collision in Orion triggered a ridiculously powerful cosmic explosion By Phil Plait 7 years ago