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Kiran Kumar proslijedio/la je Tweet
In the above I showed the physical motion of each planet through space Below let's take a look at *completed orbits* per time. The inner planets have the fastest orbital speeds AND shortest distance to travel so the orbit counter is extremely fast...pic.twitter.com/ud2GXrcHuR
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Kiran Kumar proslijedio/la je Tweet
Solar System to scale — 0 AU
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30.1 AU
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Kiran Kumar proslijedio/la je Tweet
Wow! Someone has created a Twitter bot that provides the average value of the magnitude of
#Betelgeuse every day & compared with the average value of the previous 5 nights! cc@AstroKirsten@CosmicRamihttps://twitter.com/betelbot/status/1217904862605840384 …
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Kiran Kumar proslijedio/la je Tweet
BIG conclusion: there are 366 Earth rotations of Earth relative to the Stars per ordinary calendar year (i.e. per 365 solar-days). So in 2019 for example, Earth rotated 366 times. I'll be doing a leap day/year explainer next, so you can hit follow if you want to see that
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Kiran Kumar proslijedio/la je Tweet
NOTE this has absolutely nothing to do with the leap day / leap year! Leap years are needed because Earth takes 365.24 days to orbit, and we keep short-cutting it by 0.24 days a year. After 4 years Earth is a day behind, and we give it +1 day to catch up in a February.
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Kiran Kumar proslijedio/la je Tweet
Earth physically rotates in 23hours 56min relative to distant stars – a Sidereal Day, BUT it takes 24hours to rotate relative to the Sun – a Solar Day The difference? Earth orbits the Sun, so the Sun appears to move (down, in the vid), which means Earth needs +4mins to catch up!pic.twitter.com/r68Q7mFckB
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Kiran Kumar proslijedio/la je Tweet
It took us 255 years to go from Galilean transformations for falling bodies to Lorentz transformations that are in accordance with Einstein's special relativity.pic.twitter.com/hY8F60VogW
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Kiran Kumar proslijedio/la je Tweet
Today 4.30 pm at Victoria Memorial Kolkata. Bibha Chowdhury discovered π meson tracks; her work went unnoticed. Powell independently discovered and got the Nobel. Purnima Sinha perhaps 1st physics female ph.d. from Indian Univ. built xray machine from WW2 scrap for her work.https://twitter.com/somakrc/status/1219970923815587840 …
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Kiran Kumar proslijedio/la je Tweet
Richard Feynman found trigonometry notation to be ambiguous and confusing. "If I had sin f, it looked like s×i×n×f" So he decided to create his own notation. See below.
What do you think?pic.twitter.com/61ByeX7LMz
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Kiran Kumar proslijedio/la je Tweet
Military medical teams arrives in Wuhan to battle
#coronavirus outbreak. last photo: a medical worker says goodbye to her daughter.pic.twitter.com/HzlSaGqfid
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Kiran Kumar proslijedio/la je TweetHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Kiran Kumar proslijedio/la je TweetHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Kiran Kumar proslijedio/la je Tweet
A visual proof A square inscribed in a semicircle has 2/5 the area of a square inscribed in the circle of the same radius.
pic.twitter.com/f3hG51CYhm
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Kiran Kumar proslijedio/la je Tweet
'I am enough of the artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.' - Albert Einsteinpic.twitter.com/GqL9OIqZrD
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Kiran Kumar proslijedio/la je Tweet
In 1823, Niels Hendrik Abel managed to prove that there is no algebraic formula to solve equations of degree 5pic.twitter.com/3Agja4l6dL
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Kiran Kumar proslijedio/la je Tweet
Fault-protection software engineers are the heroes who keep our distant spacecraft from losing contact with Earth when they glitch. As long as a spacecraft is talking to us, the odds that we can bring a confused robot back to normal operations are good.https://twitter.com/fcain/status/1222688387297136650 …
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Kiran Kumar proslijedio/la je Tweet
In the 18th century, it was fashionable for men of an intellectual bent to have their portraits painted while wearing banyans and turban-like caps. They believed "loose dresses contribute to the easy and vigorous exercise of the faculties of the mind". Here's Euler's portrait.pic.twitter.com/uaG5TiEkLq
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Kiran Kumar proslijedio/la je Tweet
The battery symbol was inspired by the looks of voltaic batteries from the early 19th century.pic.twitter.com/NhPaTEhuBf
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Kiran Kumar proslijedio/la je Tweet
The Global Seed Vault located in Svalbard, Norway is a storage facility that holds more than 980,000 samples of crops, from almost every country in the world. Its purpose is to safeguard the world’s unique crop genetic material. 2.5 billion seeds may be stored in the Vault.pic.twitter.com/6uaVbgrj1R
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The future is already here - its just not very evenly distributed. - William Gibson
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Čini se da učitavanje traje već neko vrijeme.
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