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How large and far away would an object have to be in order for me to see the speed of light in real time?

In other words, the farther away an object is the slower it appears to move (like a plane traveling at hundreds of miles per hour across the sky). If i saw an object traveling at the speed of light it would have to be very far away for me to register it and also large enough to see. So if i wanted to view an object moving at the speed of light travel across the sky at a similar rate to a plane traveling across the sky what would its size and distance have to be?

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i know what you are saying but everything you see now you see the speed of light in real time you would have to see the light waves themselves to do what you are saying

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crowmail
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In my question there are two points and an observer. the object will travel from point A to point B and the observer will see the object from a distance. I am not asking about the speed of light traveling to the observer. I am asking about purely observing an object traveling at the speed of light from point A to point B.
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got it
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again,Colin,you would have to see the photons and light waves themselves to see something moving at light speeds
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what you would see is light as nothing but light can travel at the speed of light,but say star trek was real you would see blue in the front,the object stretched and with much more mass then you would see red
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Look at the night sky. Some of the stars you see are so far away they might not exist anymore. Even tho their light is still coming at you. At light speed!!

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Sorry about that..That red flag last night was NOT what I was asking for, so I know how you feel.
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