[Q&A+] Catching Interstellar Objects, Safe Zone from Supernovae, Dark Matter Zones

BONUS QUESTION STARTS AT 14:16 Watch the video here (with no ads) or on YouTube: https://youtu.be/Jr32qD9WwjE How close is too close for a dangerous supernova? Can we realistically hitch a ride on an interstellar object? Is there radiation coming from dark matter rich areas? And in Q&A+, are there multiple dark matters and dark energies? 00:00 Intro 00:25 [@KnownUnknown-i8r] Interactions between neutrinos and dark matter 05:03 [@Justchris6436] Is there any more or less radiation in areas we suspect have "more" dark matter? 07:22 [@DartmanX] What is the safe distance from a Type 1a supernova? 10:18 [@gangsterdaddy510] Do type 1A supernovas destroy their companion? 11:33 [@aeroskiff] Can we hitch a ride on a interstellar object? 13:16 [@hangmann747tinmann8] Can we use an interstellar object as a shield? 14:16 [@p0tatobiden350] Is there multiple Dark Matters and Dark Energies? 15:00 SpaceX orbital data centres plans