links https://physics.stackexchange.com/questions/197397/misconceptions-about-the-universe-hubble-sphere https://physics.stackexchange.com/questions/197397/mis

links https://physics.stackexchange.com/questions/197397/misconceptions-about-the-universe-hubble-sphere https://physics.stackexchange.com/questions/197397/misconcep... (look first comment) https://www.youtube.com/watch?v=q67vH0SKahU&lc=UgyQizABsao1A9EWtlF4AaABAg https://www.youtube.com/watch?v=q67vH0SKahU&lc=UgyQizABsao1A...