velocity of divergence, velocity at which things get further from each other; recessional velocity
velocity of divergence, velocity at which things get further from each other; recessional velocity
velocity of divergence, velocity at which things get further from each other; recessional velocity
velocity of divergence, velocity at which things get further from each other; recessional velocity
velocity of divergence, velocity at which things get further from each other; recessional velocity