The Universe is expanding day by day, is it right? yes that's right, the universe is expanding day by day continuously and this can be proven by the theory of doppler's effect. According to this theory the universe is expanding because the rays coming from the distant stars shifting from blue color electromagnetic rays to rays of red color, called as Red shift. There is a relationship with wavelength of light and distance it passes. Thus if the wavelength reaching from the universe to our eyes decreases then the distance must be of increasing order. Thus shifting of light from blue to red indicates the expanding nature of universe.
Distance has nothing to do with it. A red shift in the light, however, indicates that it is moving away. No indication of how far away it is, just that it is moving away
We've known that the universe is expanding since, like, the 1930s. I wasn't aware that this was news.
by Emile R 12 years ago
I've put this into the philosophy forum because I'm interested in what those who ponder the meaning of the cosmos would consider the ramifications of the answer to be.We talk of the Space-Time Continuum. We know the following:Cosmologists tell us it would be impossible to go back in time because...
by Rafick 14 years ago
Is the size of the universe finite or infinite? Scientists tell us the universe is expanding.If the size of the universe at any moment is finite, into what does it expand? Does that "nothingness" into which it expands form part of the universe too, or is it something exterior to the...
by vydyulashashi 14 years ago
Do you think black holes re;;y exist?
by Anna O'Malley 11 years ago
I love the concept of string theory, and with the recent confirmation of the Higgs boson at CERN the Standard Model is so much closer to application !Muti-dimensions, strings, and a universe that is one great symphony. Oh they joy of it all.What are peoples takes on this theory? Do people...
by PDXBuys 13 years ago
If our universe is expanding as a consequence of the Big Bang, what is it expanding into?If I could travel faster than the speed of light, what would I see as I approached the expanding edge of the universe? If the universe is "everything", then how can it expand into what we would...
by Scott Belford 9 years ago
I have heard many times that one reason the "inflation theory" has been challenged is the argument that is if it were true then the expansion would have to happened at a speed faster than light, in violation of the General Theory of Relativity. Given there was no matter during the...
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