Light Pollution – What Is It and Why It’s Bad
We often hear about air, water and land pollution, but we rarely hear about light pollution. So, what’s light pollution? All the artificial light that humanity creates comes under light pollution. The artificial might be of any source like burning fuels at refineries, street lights, head lights etc… As we now know what light pollution actually is, let’s talk about the harmful effects that they cause. Light pollution creates a great problem to the astronomers and causes a great harm to the ecological balance. In a place called Bries Canyon if there are no lights at all, we will be able to see 75000 starts, but if we put up one…
Origin of Our Universe – Gravitational Waves and Cosmic Inflation
Cosmology is confusing, yet extremely interesting! Before we get deeper, we actually got the picture of our universe 380,000 years after the Big Bang. Wondering where did we get this baby picture of our universe? Let’s talk from the start. Our universe 380,000 years after the Big Bang was so hot that all the subatomic particles like protons, electrons were in a state of plasma moving randomly, even light passing through, was scattered or absorbed, which means the whole universe was opaque. After 380,000 years when the universe has cooled and expanded, the electrons and protons combined and formed hydrogen atoms. So finally after moving randomly for 380,000 years, the…
