Just how useful are humans in space? What is the death zone radius of a black hole merger? More about staying alive with @CheapAstro at #365DaysOfAstro

Just how useful are humans in space? What is the death zone radius of a black hole merger? More about staying alive with @CheapAstro at #365DaysOfAstro
Today we have Cheap Astronomy podcast about stars. Do other stars have sunspot activity cycles like the Sun does? So why are magnetars magnetic?
Cheap Astronomy once again establishes that we can’t travel faster than light and that we still don’t know why the Universe is expanding.
What is Lagrange points, particularly L4 and L5? Can neutrinos predict supernova explosions? Find the answers with @CheapAstro
Time to keep your house in order. Today we have @CheapAstro doing some domestic maintenance – firstly on a planetary scale and secondly on the International Space Station.