Author: Shruti Awasthi

Why there is an asteroid belt between Mars and Jupiter, and not a planet? In 1596, Johannes Kepler predicted, “Between Mars and Jupiter, I place a planet” in his book, Mysterium Cosmographicum. Later, the astronomer Johann Daniel Titius of Wittenberg declared in a footnote, “But should the Lord Architect have left that space empty? Not at all”. This conjecture was...

Introduction General theory of relativity (GTR) describes gravity as a geometric property of space-time fabric.  It combines specific relativity and Newton’s law of gravitation. GTR which accounts for gravity and all of the things it dominates: orbiting planets, colliding galaxies, colliding black holes, formation of planets etcetera. Easiest definition of what gravity is that, it is an attractive force between...