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We are an integrated part of cosmos. Astronomy broadly studies universe, solar system, planets, galaxies, meteoroids, asteroids and astronomical bodies, often thought to be of celestial origin. Out of the occurrence of a fluke manifestation, one after the other resulting in the creation of life, species and humans. In modern times, Hubble Telescope revolutionised planetary studies and outlived its lifespan and enriched the human knowledge on Cosmos for about three decades. Hubble will be replaced by James Webb in near future.A tiny dot became universe followed by the birth of the sun, moon, the earth, other planets, nebula, galaxy, milky ways, and living kingdom. Life evolved, flora and fauna developed. Five catastrophic extinctions occurred eliminating several species. This journey is laid on twelve hours on a clock. In due course, Homo sapiens developed who brought along intricacies like Environmental Degradation, Global Warming and Climate Change. What length of the queue will be created if we trace the lineage of our generation back to the first human that appeared to roam about on the earth? Narrative wavers from line, tracks the life and achievements of ancient civilisations like Indus valley civilisation, the master traders; the Sumerians, the pioneers in many fields; the mysterious Maya; and incredibly industrious Rapa Nui, got eliminated due to damage to the fine balance of environmental sustainability. As scientists continue to turn up even more signs of collapsed civilisations, they are finding plenty of evidence that climate shifts are to blame to a considerable extent. Why and how? The narrative attempts to answer. The chronicle is before you which might engender a child-like fascination as you delve deeper and farther in it.
