Critical density of Our Universe

From Hubble-Lemaitre law1, we got to know that our universe is expanding and gives the relation between recessional velocity of galaxies and distance from us as,                                    ...

Recent trend in physics

IntroductionParticle-> A particle is a small localized object to which can be ascribed several physical or chemical properties such as volume, density, or mass.-> After the discovery of neutr...

Recent trend in physics ( The universe)

UniverseThe collection of all the matters, energies and space around us is known as universe.#CosmologyCosmology is the science that deals with the origin, evolution and structure of the Universe...

A visit to Black Hole

Visit to Black Hole is just a theoretical concept but what will happen after we reach Black Hole.The points far from black hole experience it's the gravitational effect the same as those of any nor...

Blackhole: A brief expalnation

1.    INTRODUCTIONA black hole is a region of space-time where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it. As we all know that...