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The Star Is Already Dead!

Saturday, Jul 8, 2017, 12:20 pm

It is precisely the reason why we can never hear from aliens, at least for the next few hundreds of years. All those stars and planets NASA is probing are hundreds and thousands of light years away, which means we aren't truly seeing them live. We are just looking at their past. To help you understand this easily, let's take Sun as an example. Sunlight takes approximately eight minutes to reach Earth. Now, this means if Sun blew up right now, we would know that only after eight minutes! Similarly, when we see a star that's some 1000 light years away, we only see how that star used to look like 1000 years ago!

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The Star Is Already Dead!

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