Space

Did ‘Anti-Universe’ Exist Before The Big Bang?

A new theory says that Big Bang was a starting point of an anti-universe, a mirror image of the present universe.  In anti-universe, time flows in the opposite direction and antimatter dominates.  The Big Bang cosmology describes the history and...

Origin Of The Universe: 7 Different Theories

How the universe we know came into existence? How do we explain the origin of the universe? Well, I am sure that most of you will say “the big bang” and rightfully so, every other piece of evidence and data collected over the...

What Is The Mass Of Entire Milky Way Galaxy?

As per the latest measurement, our galaxy weighs in at approximately 1.5 trillion solar masses.  This means the Milky Way has a mass of 2.98 x 1042 kilograms. Astronomers used ESA’s Gaia and NASA’s Hubble observations to obtain this...

13 Different Types of Stars In The Universe

Like almost anything in the universe, stars born, live their life and then die. They are also one of the most diverse things we know today. The most commonly used criteria of classifying stars is based on their spectral characteristics, in which...