If atoms come to a complete stop, they are at absolute zero. Space is just above that, at an average temperature of 2.7 Kelvin (about minus 455 degrees Fahrenheit).
16 May (5.14am) Flower Moon (total lunar eclipse)
I don't believe in black holes really, "black holes" could just be small singularities that need to grow to the right size before they explode and create a new Universe.
Nobody knows the Maximum Size of a black hole, I don't even think the aliens in our galaxy do..
Milky Way and Andromeda merger has begun
And even though the two galaxies are still 2.5 million light-years apart, the eventual merger of our two galaxies has, in fact, already begun.
Astronomers have noted that the ultra-massive black holes (UMBHs) found in the cores of some galaxies never seem to exceed about 10 billion solar masses.
The Big Bang people, want you to believe that the universe is a disc, and not a sphere.