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If space were infinite then, by definition, it would be as large as it could ever be, and it could not expand any larger. If space is expanding then it is not as large as it could ever be, because it is continually expanding and getting larger...

D. during the main sequence evolution of high-mass stars Iron is the tenth most abundant element in the Universe created by nucleosynthesis in cores of high mass stars. When the star tries to fuse iron, the core...

Yes I do believe somewhere in the immensity of the universe, many other intelligent living beings have evolved. The number of such aliens might be enormous, but I think they will sparsely populate each sector such that contact between them will be incredibly...

"Humanity's destiny is infinity". If humanity doesn't destroy itself, anything you can imagine, even your most wildest dreams, will be achieved at some point. So, in billions upon billions upon billions...

Fusion: About 74% of the Sun's mass is hydrogen, 25% is helium, and the rest is made up of trace quantities of heavier elements. The Sun has a spectral class of G2V. "G2"...

Contrary to some of the comments seen on here, hard evidence is mounting among cosmologists and physicists for just the concept you are talking about. Unfortunately, there is a tendency to say "I don'...

we are not the only one in our Galaxy. yes i agree with you that they are Aliens, who are in their galaxy. and yes i do watch every and all sort of space movies, because one day we have to live our planet.

The hypersphere is larger than your personal bubble.