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We can see distant stars within milli-seconds with our eyes...
Light takes several thousands of years just to travel across our milky way galaxy, and we can see several galaxies by hubble telescope...it's like we are there...except physically....

2007-03-31 01:04:59 · 19 answers · asked by Anonymous in Science & Mathematics Astronomy & Space

19 answers

definitely yes .it isa human's body that is the most wonderful creation on earth which can percieve any thing the fastest. even more faster is the thought process of a human

2007-04-01 01:02:44 · answer #1 · answered by bhavna 1 · 0 0

If you go to see a river you would find that there is water in the river all the time. This constant flowing water in the river tells you of some distant source of water may be far away in the mountains somewhere. In fact the water in the river that you see now might actually have started its journey many day earlier, but it is there now for you to see as if it always was.

Similarly, the light from distant starts and galaxies is in form of a constant outflow of electromagnetic radiation. A star for us has always been there since the time its light first reached the Earth. In order to see a distant space object illuminated, we just have to turn our eyes towards is to observe it. There was once a theory about human eyesight, that human eyesight is in fact some type of energy that we cast around us to see, just like a beam of an electric torch, but now we know scientifically that we see only when light from other sources enters our eyes instead.

I think you should consider human imagination if you want to find something that travel in no time. The physical world we live in follows physical laws; in it nothing can travel faster than the speed of light, for example. But in the realms of our very own mind there is this faculty imagination that takes no time at all to get to places or to conceive new things out of nothing.

2007-03-31 08:36:25 · answer #2 · answered by Shahid 7 · 0 0

Arapahoe calling Apache...

Hey man. What's going on?

Hmm-m, your question is interesting, but a bit turned around, isn't it? The eyes are for receiving light, not sending it out.

Therefore, eyesight doesn't travel anywhere, at any speed.

It is just like ears and hearing. When we listen with our ears, we don't send out anything, we listen for sounds coming in to us from somewhere outside.

Yes, light rays travel faster than anything else, but light is not eyesight. Eyes are the receptors for light rays. Oh, I almost forgot, light travels at 186,000 Miles per second. Man, that is fast, really fast. That is faster than anything else travels. And you mentioned the stars out there that we can see with our eyes... The closest stars to Earth are maybe 4 or 5 Light Years away. So, the light that you see when you look at the closest stars has been traveling to us for four or five years.
Wow, that is a long, long way to travel, but other stars are millions of Light Years away from us. Check that out...

2007-03-31 08:22:00 · answer #3 · answered by zahbudar 6 · 0 0

It varies with lumination; in a completely dark room u can see nothing. Actually eyesight has no speed and that does not travel anywhere. Eye is just a recertor and retina (rear part of inner eye) is just like a screen. Keep a mirror in sunlight and u can see the reflection of sun in it. Then, do u call mirror to be powerful than ligh? Light is a form of energy, fastest ever known & eyesight is completely different and just a perception

2007-03-31 14:44:53 · answer #4 · answered by $ri 3 · 0 0

You are dead wrong. The "Speed of eyesight", if there is such a concept, would refer to how long it takes your brain to process visual signals received by your eyes. This isn't instantaneous, and it's much slower than the speed of light. In fact it's much slower than the speed of a bullet, as a lot of dead people can attest.

Light signals have to be received, processed, and transmitted by nerves and neurons in your brain, by both electrical and chemical processes, and that whole process is glacially slow as these signals work their way through your wetware. That's why you can't spot and dodge a bullet. It's a miracle we're not all dead.

2007-03-31 09:31:34 · answer #5 · answered by KevinStud99 6 · 0 0

Our 'eye sight' is as fast as the speed of light. It is only when the light is reflected to our eyes that we see an object. But ,pal,you do have an 'eye' for interesting details and THAT is faster than anything else.

2007-03-31 13:37:23 · answer #6 · answered by HimJoy 4 · 0 0

You are confusing the speed at which sensed phenomena (light, sound, etc.) travel with the speed at which our senses can react to them. Yes, light (and all other forms of electro-magnetic energy - including gamma rays) travels at 299,792,458 meters/second (186,282.397 miles/second for us Yanks) and sound travels at 340.29 meters/second (761.207 miles/hour).

But once these reach our body, our sensory organs take time to process them and transmit them to the brain for us to be made aware of them, and signals through the human nervous system max out at about 112 meters/second (250 miles/hour). no metter which sense is involved.

Oh - the Milky Way Galaxy is about 100,000 light years in diameter and about 1,000 light years in thickness. The milky Way's closest neighbors are the Sagittarius Dwarf Elliptical Galaxy at 88,000 light years, the Large Magellanic Cloud at 179,000 light years, the Small Magellanic Cloud at 210,000 light years, and the Andromeda galaxy at 2.52 million light years away.

2007-03-31 08:54:08 · answer #7 · answered by Arsan Lupin 7 · 0 0

Your eyes intercept the light instantly but the light had been traveling maybe many years,even millions of years before it got to your eye..
The source may not even exist any more.

2007-03-31 08:12:10 · answer #8 · answered by Billy Butthead 7 · 1 0

Eye sight speed does not exsist. Its the speed of light that enters our eyes and is the fastest measurable unit we have at a staggering 299,792,458 metres per second, it takes 50 milliseconds to zip from eye to brain and for the brain to see.

2007-03-31 08:17:03 · answer #9 · answered by Taryn H 2 · 0 0

well man for one reason you have the concept of viewing things very different. light enters your eye from the source like stars .for example the sun itself is constantly emitting out light to our eyes so we can see it . if you travel at the speed of light, you would become invisible which is a prove that your eye receives light to view objects since light cannot be reflected from the body to reach our eyes

2007-03-31 10:05:51 · answer #10 · answered by tom cruise 2 · 0 0

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