Photography stops that.
The light of Andromeda takes 2.5 million years to reach us. It connects us with our ancestors of that long ago.
The Andromeda Galaxy (/ænˈdrɒmədə/) is a spiral galaxy approximately 2.6 million light-years (2.5×1019 km) from Earth in the Andromeda constellation.
Compared to this, our own civilisation is a mere snap of your fingers.
the speed of light = 299 792 458 m / s
The average distance from the centre of the Earth to the centre of the Moon is 384,403 km
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