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Science & Mathematics by Anonymous 2018-06-11 23:03:00
Social Science
If aliens could see our planet will they see us as we are now or us thousands of years ago through telescope?
7 answers
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Anonymous
they would see us 15k 50k,or a hundred k years in arrears unless they have means to overcome lag time is using photons
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Anonymous
Depends on how far away they are. If they are 100 light years away, they see the light that left the Earth 100 years ago.
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Anonymous
Well, if they were thousands of light years away they would. If they were 250 miles about the earth right ow, they would see us as we are, right now.
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Anonymous
depends on their distance. If at Alpha Centauri, Obama is in his second term. If at M51, Pleistocene
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Anonymous
Depends on their distance from Earth. If they are 100 Light years away, then then will see us as we were 100 years ago.
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Anonymous
They'd see us as we were 1.28 seconds ago.
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Anonymous
No matter how far away they are, if they are outside of our solar system, they would need a telescope with an astronomically HUGE mirror to see any kind of detail on Earth.