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भारतीय वंशाच्या Sunita Williams दोन महिन्यांपासून Space मध्ये अडकल्या, पृथ्वीवर येण्यास काय अडचणी ? Enkling 4 Views • 9 months ago

#BolBhidu #SunitaWilliams #Nasa #StuckInSpace

सुनिता विलियम्स भारतीय वंशाच्या अंतराळवीर. त्या विक्रमी तिसऱ्यांदा अंतराळात गेल्या आहेत. सुनिया विलियम्स यांच्यासोबत नासाचे अनुभवी अंतराळवीर बूच विल्मोर हे देखील आहेत. ६ जूनपासून हे दोघे आंतरराष्ट्रीय अंतराळ स्थानकावर अडकले आहेत. सुनिता विलियम्स यांचं अंतराळयान नासा ऑर्बिटल आऊटपोस्टवरील कर्मचाऱ्यांना घेऊन परतेल, असं बोललं जात होतं.

इथं हे यान आठवडाभर थांबणार होतं. पण प्रवासादरम्यान, थ्रस्टरमधील बिघाड आणि हेलियमच्या गळतीमुळे हे यान परत आलंच नाही. आतापर्यंत यांच्या परतीची कोणतीही तारीख निश्चित केली नाहीये. दोघंही दोन महिन्याहून अधिक दिवसांपासून अंतराळात अडकले आहेत. पण यानात नक्की काय बिघाड झालाय? दोन अंतराळवीरांना पृथ्वीवर येण्यास काय अडचणी येतायत? ते कधीपर्यंत पृथ्वीवर येऊ शकतात? पाहुयात या व्हिडीओतून...

चॅनेलला सबस्क्राईब करायला विसरू नका. नोटिफिकेशन चालू ठेवा म्हणजे लेटेस्ट व्हिडीओचे नोटिफिकेशन तुम्हाला मिळत राहतील.
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Neil deGrasse Tyson: My Man, Sir Isaac Newton | Big Think Enkling 3 Views • 9 months ago

Neil deGrasse Tyson: My Man, Sir Isaac Newton
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Are you at least 26 years-old? If so, you are older than Isaac Newton was when he invented calculus... on a dare! (If you're younger than 26, better hurry up.) Big Think expert and overall cool guy Neil deGrasse Tyson explains why Newton is the greatest physicist who ever and likely will ever live.
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NEIL DEGRASSE TYSON:

Neil deGrasse Tyson was born and raised in New York City where he was educated in the public schools clear through his graduation from the Bronx High School of Science. Tyson went on to earn his BA in Physics from Harvard and his PhD in Astrophysics from Columbia. He is the first occupant of the Frederick P. Rose Directorship of the Hayden Planetarium. His professional research interests are broad, but include star formation, exploding stars, dwarf galaxies, and the structure of our Milky Way. Tyson obtains his data from the Hubble Space Telescope, as well as from telescopes in California, New Mexico, Arizona, and in the Andes Mountains of Chile.Tyson is the recipient of nine honorary doctorates and the NASA Distinguished Public Service Medal. His contributions to the public appreciation of the cosmos have been recognized by the International Astronomical Union in their official naming of asteroid "13123 Tyson".Tyson's new book is Astrophysics for People in a Hurry (2017).
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TRANSCRIPT:

Question: Who’s the greatest physicist in history?

DeGrasse Tyson: Isaac Newton. I mean, just look… You read his writings. Hair stands up… I don’t have hair there but if I did, it would stand up on the back of my neck. You read his writings, the man was connected to the universe in ways that I never seen another human being connected. It’s kind of spooky actually. He discovers the laws of optics, figured out that white light is composed of colors. That’s kind of freaky right there. You take your colors of the rainbow, put them back together, you have white light again. That freaked out the artist of the day. How does that work? Red, orange, yellow, green, blue, violet gives you white. The laws of optics. He discovers the laws of motion and the universal law of gravitation. Then, a friend of his says, “Well, why do these orbits of the planets… Why are they in a shape of an ellipse, sort of flattened circle? Why aren’t… some other shape?” He said, you know, “I can’t… I don’t know. I’ll get back to you.” So he goes… goes home, comes back couple of months later, “Here’s why. They’re actually conic sections, sections of a cone that you cut.” And… And he said, “Well, how did find this out? How did you determine this?” “Well, I had to invent integral and differential calculus to determine this.” Then, he turned 26. Then, he turned 26. We got people slogging through calculus in college just to learn what it is that Isaac Newtown invented on a dare, practically. So that’s my man, Isaac Newton.
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Big Think is the leading source of expert-driven, actionable, educational content -- with thousands of videos, featuring experts ranging from Bill Clinton to Bill Nye, we help you get smarter, faster. Subscribe to learn from top minds like these daily. Get actionable lessons from the world’s greatest thinkers & doers. Our experts are either disrupting or leading their respective fields. We aim to help you explore the big ideas and core skills that define knowledge in the 21st century, so you can apply them to the questions and challenges in your own life.

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Neil deGrasse Tyson and Richard Dawkins Discuss Science, Religion & Evolution Enkling 3 Views • 9 months ago

Neil deGrasse Tyson sits down with evolutionary biologist and author of The Genetic Book of the Dead, Richard Dawkins.

Go to https://ground.news/startalk to stay fully informed on Space and Science news. Save 40% off through our link for unlimited access this month.

Neil and Richard talk about evolution, whether we were “designed,” how we are living reflections of our ancestors and much much more.

Why did it take so long to come up with the idea for natural selection? Learn about Darwin’s dangerous idea and the history of upending scientific assumptions. Is there such a thing as a perfect version of an animal? We also explore the role of information in biology and evolution. Will there be a day when we no longer need biology in order to pass on information?

Neil gives his explanation for the chicken and the egg problem. We explore the origin of the word “meme”, evidence for god, and Carl Sagan’s poetic chapter headings. We also discuss the human inclination towards there being a “designer” and for complex biology to have been designed. Richard explains how you end up with something as complex as an eye through evolution.

Neil and Richard talk about when Neil publicly rebuked one of Richard’s claims during a talk. We take a look at Richard’s new book The Genetic Book of the Dead and how we are living descriptions of the world in which our ancestors lived. Plus, we discuss whether it's worth it to try to convert people and the future of scientific acceptance.

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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