Er. Alok Kumar ( Alok Sir ) - A very Tough Guy but Down to Earth Person

Famous Astronomers All-Time List A-Z Astronomy is the study of everything that originates outside Earth’s atmosphere. It’s a “natural science” based on observation, experimentation and empirical evidence. The famous astronomers in ADDucation’s list span both ancient and modern civilisations. Cosmology is a branch of astronomy which studies the Universe as a whole. ADDucation Tips:  Click column headings with arrows to sort this list of the most famous astronomers of all time, reload the page to reset the original sort.  Click the + icon  to show any hidden columns. Set your browser to full screen and zoom out to show as many columns as possible. Famous Astronomers Born Died Country Fields + Awards Famous Astronomers General Knowledge Facts & Trivia al-Khwārizmī, Muḥammad ibn Mūsā c780 c850 Iran. Mathematics and astronomy. Muhammad Al-Khwarizmi formalised FamousAstronomers the Arabic numerals 0-9, which he transferred from the Indians. The four basic arithmetic operat...

Timeline of Famous Inventions   That Changed the World   Any list of famous inventions will always be incomplete and/or localized. Tools with cutting edges were the game changing invention that made it possible for the wheel to be invented. The wheel is the greatest invention of all time, isn’t it? Along with the axle, the wheel led to the water wheel, cart and most of the transport inventions which followed. We’ve categorized famous inventions, for example, entertainment inventions include TV and Cinema. We’ve also included a few inventions we would “un-invent” if we had a time machine! ADDucation’s list of famous inventions was last updated on 18 Aug 2024 ADDucation Tips:  Click column headings with arrows to sort famous inventions. Reload page for original sort order. Resize your browser to full screen and/or zoom out to display as many columns as possible.  Click the   icon  to reveal any hidden columns. Famous Inventions Year / Century Famous...