For years scientists said the universe was expanding after the Big Bang, but that the rate of expansion was slowing down under mutual gravitational attraction.
But more recently they're saying it's not slowing down, but that the expansion is speeding up!
Wish they'd make up their minds!
PS- and if it is speeding up, exactly what forces are at work?
But more recently they're saying it's not slowing down, but that the expansion is speeding up!
Wish they'd make up their minds!
PS- and if it is speeding up, exactly what forces are at work?