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ARE WE SURROUNDED BY SOME KIND OF SPACETIME HORIZON?
We are unable to witness a part of the universe. The boundary that separates us from this part of the universe is the 'Cosmological Horizon'. Anything that lies beyond our Cosmological horizon, cannot influence us in any way, not even by gravity. The world outside that just seems unreal.
DO YOU KNOW THAT WE CREATE A HORIZON AROUND OURSELVES WHENEVER WE ACCELERATE?
Yes! That's true, when we move or accelerate in flat spacetime (away from any gravitational influence) we actually create a horizon called 'The Rindler horizon' around ourselves. Outside this Rindler horizon like the event horizon, the part of the universe just seems unreal or non-existent.
DO YOU KNOW, OUR PLANET HEATS THE MOON?
Yes, our planet increases the temperature of the moon….
Further continued in this book......
About the author
Hiten Shelar is an astrophysicist and science communicator renowned for his bestselling book "Astrophysics for Non-Mathematicians" and his award-winning book "Cosmology For a Newbie," which won the International Best New Cosmology Books Award in 2023. He is also celebrated for his astrophysics reels on Facebook and Instagram. Additionally, he is the founder and owner of IMAGINE SPACETIME (www.imaginespacetime.com), a science website, and physics book publisher. Hiten's fascination with astronomy and astrophysics dates back to when he was just 5 years old. Throughout high school and college, he received numerous awards and accolades in his astronomy and astrophysics career. In 2020, he was recognized as the best performer at the International Space Science Competition, received the silver honor in the International Astronomy and Astrophysics Competition, and achieved the 28th rank in the International Space Olympiad 2019.
Hiten strongly advocates for teaching cosmology and astrophysics at a basic level in every school. He believes that gazing at the stars and contemplating the universe can address many societal issues. According to him, studying our universe is not merely an academic pursuit; it offers profound lessons for everyone. It teaches us that irrational beliefs hold no sway in the real universe. In his books, he strives to simplify even the most complex concepts for broader understanding. He asserts that adopting a cosmic perspective can enhance the beauty of the world and contribute to a better society. To date, Hiten has authored seven books on astrophysics.
