Astronaut John Young Breakdancing Falling On The Moon During The Apollo 16 Mission, 1972

Astronaut John Young Breakdancing Falling On The Moon During The Apollo 16 Mission, 1972
Astronaut John Young Breakdancing Falling On The Moon During The Apollo 16 Mission, 1972
Astronaut John Young Breakdancing Falling On The Moon During The Apollo 16 Mission, 1972
Astronaut John Young Breakdancing Falling On The Moon During The Apollo 16 Mission, 1972
Astronaut John Young Breakdancing Falling On The Moon During The Apollo 16 Mission, 1972
Astronaut John Young Breakdancing Falling On The Moon During The Apollo 16 Mission, 1972

Astronaut John Young breakdancing falling on the moon during the Apollo 16 mission, 1972

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More Posts from Tres-4b-blog and Others

5 years ago
Views Of Earth And Intrepid, Apollo 12, 14 Nov 1969.
Views Of Earth And Intrepid, Apollo 12, 14 Nov 1969.
Views Of Earth And Intrepid, Apollo 12, 14 Nov 1969.

Views of Earth and Intrepid, Apollo 12, 14 Nov 1969.


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5 years ago
New GIPHY!

New GIPHY!


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5 years ago
Or The Quran.

Or the quran.


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6 years ago
Violent Collision Of Two Neutron Stars Occurred Near Pre-Solar Nebula 4.6 Billion Years Ago

Violent Collision of Two Neutron Stars Occurred near Pre-Solar Nebula 4.6 Billion Years Ago

http://www.sci-news.com/astronomy/collision-two-neutron-stars-pre-solar-nebula-07154.html


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6 years ago
Esse é O Objeto De Hoag, Uma Galáxia Curiosa Do Tipo Anelar: Seu Núcleo é Rodeado Por Um Anel De

Esse é o Objeto de Hoag, uma galáxia curiosa do tipo anelar: seu núcleo é rodeado por um anel de estrelas, gás e poeira. Sua origem é um mistério, pois galáxias anelares são formadas quando uma galáxia atravessa a outra. Nesse caso não há nenhuma galáxia nas imediações que possa ter feito isso. . This is the Hoag’s Object, a curious galaxy in the the shape of a ring: its nucleus is surrounded by a ring of stars, gas and dust. Its origins remains a mystery, as other ring galaxies are formed when one galaxy passes through another galaxy. In this case, there is no candidate for the bullet galaxy in the vicinity. . Credit: NASA . #nasa #hubble #hubblespacetelescope #telescope #telescopio #astronomia #astronomy #ring #anel #galaxy #galaxia #space #espaço #mistery #misterio #hoag #astrogram #observatoriog1 #bullet #alvo #target


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6 years ago

>“you’re not allowed to use x function in your program because that’s too easy, come up with the implementation yourself” me: *realises implementation is open source so just looks at source code for x function and copies and changes it*

>“you’re Not Allowed To Use X Function In Your Program Because That’s Too Easy, Come Up With The

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6 years ago
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope
We Have Now Reached The Limits Of The Hubble Space Telescope

We Have Now Reached The Limits Of The Hubble Space Telescope

“Finally, there are the wavelength limits as well. Stars emits a wide variety of light, from the ultraviolet through the optical and into the infrared. It’s no coincidence that this is what Hubble was designed for: to look for light that’s of the same variety and wavelengths that we know stars emit.

But this, too, is fundamentally limiting. You see, as light travels through the Universe, the fabric of space itself is expanding. This causes the light, even if it’s emitted with intrinsically short wavelengths, to have its wavelength stretched by the expansion of space. By the time it arrives at our eyes, it’s redshifted by a particular factor that’s determined by the expansion rate of the Universe and the object’s distance from us.

Hubble’s wavelength range sets a fundamental limit to how far back we can see: to when the Universe is around 400 million years old, but no earlier.”

The Hubble Space Telescope, currently entering its 30th year of service, has literally revolutionized our view of the Universe. It’s shown us our faintest and most distant stars, galaxies, and galaxy clusters of all. But as far back as it’s taken us, and as spectacular as what it’s revealed, there is much, much more Universe out there, and Hubble is at its limit.

Here’s how far we’ve come, with a look to how much farther we could yet go. It’s up to us to build the tools to take us there.


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5 years ago

Nikola Tesla - The True Discoverer of the Rotating Magnetic Field

Nikola Tesla - The True Discoverer Of The Rotating Magnetic Field
Nikola Tesla - The True Discoverer Of The Rotating Magnetic Field

"Many erroneous statements have appeared in print relative to my discovery of the rotating magnetic field and invention of the induction motor which I was compelled to pass in silence. Great interests have waged a long and bitter contest for my patent rights; commercial animosities and professional jealousies were aroused, and I was made to suffer in more than one way. But despite of all pressure and efforts of ingenious lawyers and experts, the rulings of the courts were in support of my claims for priority in every instance without exception. The battles have been fought and forgotten, the thirty or forty patents granted to me on the alternating system have expired, I have been released of burdensome obligations and am free to speak...

"...A few words should be said in regard to the various claims for anticipation which were made upon the issuance of my patents in 1888, and in numerous suits conducted subsequently. There were three contestants for the honor, Ferraris, Schallenberger and Cabanellas. All three succumbed to grief. The opponents of my patents advanced the Ferraris claim very strongly, but any one who will peruse his little Italian pamphlet, which appeared in the spring of 1888, and compare it with the patent record filed by me seven months before, and with my paper before the American Institute of Electrical Engineers, will have no difficulty in reaching a conclusion. Irrespective of being behind me in time, Prof. Ferraris's publication concerned only my split-phase motor, and in an application for a patent by him priority was awarded to me. He never suggested any of the essential practical features which constitute my system, and in regard to the split-phase motor he was very decided in his opinion that it was of no value. Both Ferraris and Schallenberger discovered the rotation accidentally while working with a Gullard and Gibbs transformer, and had difficulty in explaining the actions. Neither of them produced a rotating field motor like mine, nor were their theories the same as my own. As to Cabanellas, the only reason for his claim is an abandoned and defective technical document. Some over-zealous friends have interpreted a United States patent granted to Bradley as a contemporary record, but there is no foundation whatever for such a claim. The original application only described a generator with two circuits which were provided for the sole purpose of increasing the output. There was not much novelty in the idea, since a number of such machines existed at that time. To say that these machines were anticipations of my rotary transformer is wholly unjustified. They might have served as one of the elements in my system of transformation, but were nothing more than dynamos with two circuits constructed with other ends in view and in utter ignorance of the new and wonderful phenomena revealed through my discovery."

–Nikola Tesla

“Some Personal Recollections.” Scientific American, June 5, 1915.


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6 years ago

Chris Hadfield: What I learned from going blind in space

There’s an astronaut saying: In space, “there is no problem so bad that you can’t make it worse.” So how do you deal with the complexity, the sheer pressure, of dealing with dangerous and scary situations? Retired colonel Chris Hadfield paints a vivid portrait of how to be prepared for the worst in space (and life) – and it starts with walking into a spider’s web. Watch for a special space-y performance.


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astronomy mixed with nostalgia and future

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