A negative comment below my SciFi SE question Why did the Armageddon (1998) plot require a “rogue comet that jarred loose a Texas-sized asteroid”? says: I don't understand the question. They neede…

A Nebula has bright awesome colors that include red, blue, green, orange, white, etc? They're result of excitation of electrons. Is there a clear explanation as to which color is attributed to a…

Shape of the Universe The shape of the Universe we inhabit is a very important issue for Cosmology. The final destiny of the Universe itself depends on the form it has. However, even today the shape of the Universe is impossible to find out. The shape of the Universe depends on its density, that is, on the amount of mass and energy it possesses.

I surfed the internet and searched a lot of sites, so far I got this but unable to find the formula which relates only Muv and the Ψ as I don't know the value of parameters Auv and μ(z). If there…

The Cosmic Microwave Background (CMB) is remarkably isotropic but does exhibit a distinct dipolar Doppler shift and also much smaller but measurable fluctuations in intensity and polarization.

Just a theory, from this video. At last, only the black holes are gonna exist and even they'll decay because of hawkings radiation. As black holes emit hawkings radiation, then if one emits it, an…