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When we look into the night sky we are actually looking into the past. How do you explain this?
Wiki User
∙ 8y ago
The speed of light is not infinite. Even the light from our own Sun takes over 8 minutes to reach us and it is so much closer than any star. The light from Alpha Centauri takes over 4 years to reach us so when you look at it tonight you are seeing what it was really like in 2004. If it exploded last year we wouldn't know about it until 2012/13 when the light reached us. And Alpha Centauri is one of the three nearest stars!
Wiki User
∙ 15y ago
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When we look into the night sky we are actually looking into the past how do you explain that?
we are looking into the past all the time Jill
When we look into the sky we are actually looking into the past how do you explain that?
we are looking into the past all the time Jill
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