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Legendary astronomer Carl Sagan explains how the ancient Greeks knew Earth was round and calculated its circumference over 2,000 years ago.
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Students don't need a perfect teacher. Students need a happy teacher, who's gonna make them excited to come to school and grow a love for learning.
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This is my favorite quote of all time. It’s both beautiful and profound, striking and enlightening; a short journey into self-realization with a heartfelt & unavoidable humility.
✨♥️🚀👽✨
#CarlSagan
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This is what the world will look like over the next 100 years... if we do nothing.
🔎 Submit your idea for climate action, on UpLink: buff.ly/2OV7d8b @WEFUpLink
Here’s what to expect if we take no action on climate change
This is what the world will look like over the next 100 years... if we do nothing. 🔎 Submit your idea for climate action, on UpLink: https://buff.ly/2OV7d8b @WEFUpLink
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"The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars." - Carl Sagan
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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
- Carl Sagan ✨
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Map shows the surface area that we would need to power the world, the EU or Germany solely through solar power.
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In the time it takes you to read this tweet, the expansion of the universe will carry the Cartwheel galaxy another 56,000 miles away from us. 🤸 #MondayMotivation

ALT The Cartwheel Galaxy's shape is caused by a smaller galaxy passing right through a large disk galaxy and produced shock waves that swept up gas and dust — like ripples produced when a stone is dropped in a lake — and sparked regions of intense star formation (appearing blue). The outermost ring of the galaxy, which is 1.5 times the size of our Milky Way, marks the shock wave’s leading edge.
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Why is Failure important? 🧠
• Failure is an incredible learning experience.
• It teaches you humility and growth.
• It is the first step to understanding.
• It makes you realize the importance of success.
• It gives you a sense of direction.
• It gets rid of Fear.
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The more you create, the more powerful you become.
The more you consume, the more powerful others become.
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yes the beach will be fully open on July 19 and we expect everyone to exercise personal responsibility with the shark
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Students don't need a perfect teacher. Students need a happy teacher, who's gonna make them excited to come to school and grow a love for learning.
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“Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.”
– Jules Verne
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"Study the science of art. Study the art of Science. Develop your senses - especially learn how to see. Realize that everything connects to everything else."
-- Leonardo da Vinci (1452 - 1519)
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On this day in 1687, Sir Isaac Newton publishes Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), one of the most significant works in the history of science.
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• Study hard.
• What others think of you is none of your business.
• It's OK not to have all the answers.
• Experiment, Fail, Learn and Repeat.
• Knowledge comes from experience.
• Imagination is important.
• Do what interests you the most.
• Stay curious.
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Birthdays are good for your health. Studies show that people who have more birthdays live longer.
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Afghanistan's all-girl robotics team make ventilators out of car parts bbc.in/36hs21M



























