i know that, it could be indefinitely prolonged by the creation of matter which would protect sapient life from all going extinct though. part of the SCP foundation’s name is protect and their goal is to protect humanity from anything that, A: is anomalous, or B: could end humanity, hence why the yellowstone park ranger post scp was made, to protect humanity from extinction itself by reviving it
yes, but not for long.
the resistance to exploding isn’t to prevent an explosion, it’s to postpone it until the container is a significant distance from the milky way
other scps are sufficient for that, or a really big railgun.