Have you ever looked upon at the heavens and wondered? What makes these celestial objects twinkle in the sky? Why are they so bright? What makes them so bright? Why do they form constellations? Those celestial objects you see up in the sky may not be stars at all. They may simply be planets, natural or artificial satellites, or stars. There is way you can distinguish between the two. Planets are typically brighter than stars. They are spherical in shape and are generally spherical. Stars and planets also move in different celestial patterns. A planet moves by the rules of the moon and the sun. A celestial object that moves in a straight line is most likely a planet. A star moves in a circular planet. Stars twinkle due to the effect of our atmosphere. When you look overhead, the light from the stars is refracted through the atmosphere. This atmosphere causes it to twinkle, as the density of the atmosphere changes, making the light zigzag even more. You may also see more atmosphere in a
Yuval Noah Harari's Sapiens: A Brief History of Humankind has topped charts on Amazon for weeks now. Bill Gates said, "I would recommend this book to anyone interested in a fun, engaging look at early human history... You'll have a hard time putting this down..." This book attempts to answer the most obscure of question and gives the most intriguing answers. How did we come to believe in gods, nations, and human rights? Have we become happier as history has unfolded? And what will our world be like in the millenia to come? The word "revolution" means "a forcible overthrow of a government or social order, in favor of a new system". The byproducts we have created of our environment have altered our behavior forever, in the forms of an agricultural, industrial, and scientific revolution. The future of the human species relies, as such, only in our imagination.
