If the light from supernovae travels at, unsurprisingly, the speed of light (which really is the upper limit here), how can we predict them? Time travel, is that you? Spoiler alert: it isn’t. It’s neutrinos.
Just before going supernova, some stars tend to have some gas problems, so why not simulate how?
Astronomy has not been the most environmentally friendly science out there, but have there also been some good things astronomy brought to aid in the climate crisis?
Do you you want to know how it was like on the early Earth? I can say you this: it probably wasn’t pretty.
What do binaries have to do with how your favorite nebula looks like?