I also use @zksmk@slrpnk.net and @zksmk@lemmy.ml
The radius of the currently observable universe is about 50 billion light-years and this map depicts a sphere with a radius of about 1 billion light-years, so if my calculamalations are correct, following through with sphere volume V being V=4/3πr³ this map depicts about 0.001 percent of the observable universe.
Antineutrinos don’t interact with almost anything. They’re just a bunch of wimps. They’re harmless. Neat for mapping nuclear reactors tho.