Introduction What is dark energy? Few mysteries in the universe are as fascinating as dark energy. According to scientists, dark

Introduction What is dark matter? Whenever we’ve looked up at the sky in the dark of night, it’s always seemed

Introduction How many galaxies are there in the universe? This is one of the key questions in astronomy. For centuries,

Introduction Is the universe infinite? This question arises in all our minds whenever we look up at the night sky.

Introduction What happened before the Big Bang?”—This question invariably arises whenever we contemplate the Big Bang itself. It stands as

Introduction What is the Big Bang Theory? Have you ever gazed up at the night sky and wondered how this