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Expanding space passively stretches galaxies away from us

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Distant galaxies are not actually moving away from us through space; space itself is aggressively stretching out between us. Thanks to dark energy, the very fabric of the universe is constantly expanding, physically pulling clusters of galaxies further apart. It is essentially a cosmic treadmill where everything is moving away from everything else without anyone actually taking a step.

Expanding space passively stretches galaxies away from us
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