For example, through a futuristic telescope of some sort, can we look at the Earth's light reflected from a planet 10 light years away and see ourselves 20 years ago? This video got me thinking of it:
In the Philippines now.
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For example, through a futuristic telescope of some sort, can we look at the Earth's light reflected from a planet 10 light years away and see ourselves 20 years ago? This video got me thinking of it:
In the Philippines now.