> one per kilometre squared per century
Okay so build a hundred km² (10 km per side) observatory and you’ve got yourself a ‘telescope’ to the same degree that super-kamiokande is sometimes described as being a “neutrino telescope”.
Okay so build a hundred km² (10 km per side) observatory and you’ve got yourself a ‘telescope’ to the same degree that super-kamiokande is sometimes described as being a “neutrino telescope”.