Universe Part-2

Hey, hope you read the previous blog and found it intresting. If you haven’t read the previous blog make sure to read it. Now let us conclude it and finish it in short version so we can discuss another topics. 

So we saw that universe contain many objects like stars, comets and other many celestial obects made of different matter. We also came across that it os expanding and distance between two points is increaseing. Bigbang is not explosion but expansion of space. Now let me describe how I think of it.

The answer starts with ‘WHAT IF’ itself. What if universe was not expanding at all, What if all matter was already there and what we see is the delay in image. As we know to see something the lightrays must enter our eyes emmited/reflected form the object, that rays after striking to our retina processes as image, this is how our visuals works. So, if the light rays with thier speed i.e, 186,282 miles per second haven’t reach the dark part of universe or not came back yet to us, this might be reason to it. 

Now let us change the topic little bit. As we discussed light takes time to reach us as its speed is not enough compare to size of universe, now if we think other way around that is if universe is expanding so image of planet we take by any means is not the image of its present state. For example from earth nearest edge is 20000 light years away so it would take much much more time for light to reach us so basicaly we might not able to take present image of any object at that distance. So as you can see the present for us is actually past of hundreds or may be thousands of years. So if some other life form sends us any sort of signal to communicate with us from very large distance we would receive it after many years with respect to them and same for us. If we develop technology which enable us to monitor the present movement of objects at edge of universe then prediction about was triggered it may be understood properly.

Thanks for reading and if you have any question or suggestion please leave comment. Hope you find it interesting and stay tuned because there are many new topics that I am going to discuss about.