Blackfriday - Blog Posts
BIG SALE!!! Don’t miss out on the best stuff out there. Repost from @nockontv • BLACK FRIDAY DEALS START NOW- OUR BIGGEST SALE EVER! We’re giving the #nockonnation killer deals on our killer gear! We’re wanting to say thanks to all of you for an amazing year! Enjoy some savings and get some great gifts early! #blackfriday #sale #stockingstuffers https://www.instagram.com/p/CH1aLurAzjOtjjB5T5KSKzplsyaTslOxfEMPY40/?igshid=1dyc7fud2mg8o
Gobble Up These Black (Hole) Friday Deals!
Welcome to our 6th annual annual Black Hole Friday! Check out these black hole deals from the past year as you prepare to head out for a shopping spree or hunker down at home to avoid the crowds.
First things first, black holes have one basic rule: They are so incredibly dense that to escape their surface you’d have to travel faster than light. But light speed is the cosmic speed limit . . . so nothing can escape a black hole’s surface!
Black hole birth announcements
Some black holes form when a very large star dies in a supernova explosion and collapses into a superdense object. This is even more jam-packed than the crowds at your local mall — imagine an object 10 times more massive than the Sun squeezed into a sphere with the diameter of New York City!
Some of these collapsing stars also signal their destruction with a huge burst of gamma rays. Our Fermi Gamma-ray Space Telescope and Neil Gehrels Swift Observatory continuously seek out the signals of these gamma ray bursts — black hole birth announcements that come to us from across the universe.
NICER black holes
There are loads of stellar mass black holes, which are just a few 10s of times the Sun’s mass, in our home galaxy alone — maybe even hundreds of millions of them! Our Neutron Star Interior Composition Explorer, or NICER for short, experiment on the International Space Station has been studying some of those relatively nearby black holes.
Near one black hole called GRS 1915+105, NICER found disk winds — fast streams of gas created by heat or pressure. Scientists are still figuring out some puzzles about these types of wind. Where do they come from, for example? And do they change the way material falls into the black hole? Every new example of these disk winds helps astronomers get closer to answering those questions.
Merging monster black holes
But stellar mass black holes aren’t the only ones out there. At the center of nearly every large galaxy lies a supermassive black hole — one with the mass of millions or billions of Suns smooshed into a region no bigger than our solar system.
There’s still some debate about how these monsters form, but astronomers agree that they certainly can collide and combine when their host galaxies collide and combine. Those black holes will have a lot of gas and dust around them. As that material is pulled into the black hole it will heat up due to friction and other forces, causing it to emit light. A group of scientists wondered what light it would produce and created this mesmerizing visualization showing that most of the light produced around these two black holes is UV or X-ray light. We can’t see those wavelengths with our own eyes, but many telescopes can. Models like this could help scientists know what to look for to spot a merger.
Black holes power bright gamma ray lights
It also turns out that these supermassive black holes are the source of some of the brightest objects in the gamma ray sky! In a type of galaxy called active galactic nuclei (also called “AGN” for short) the central black hole is surrounded by a disk of gas and dust that’s constantly falling into the black hole.
But not only that, some of those AGN have jets of energetic particles that are shooting out from near the black hole at nearly the speed of light! Scientists are studying these jets to try to understand how black holes — which pull everything in with their huge amounts of gravity — provide the energy needed to propel the particles in these jets. If that jet is pointed directly at us, it can appear super-bright in gamma rays and we call it a blazar. These blazars make up more than half of the sources our Fermi space telescope sees.
Catching particles from near a black hole
Sometimes scientists get a two-for-one kind of deal when they’re looking for black holes. Our colleagues at the IceCube Neutrino Observatory actually caught a particle from a blazar 4 billion light-years away. IceCube lies a mile under the ice in Antarctica and uses the ice itself to detect neutrinos, tiny speedy particles that weigh almost nothing and rarely interact with anything. When IceCube caught a super-high-energy neutrino and traced its origin to a specific area of the sky, they turned to the astronomical community to pinpoint the source.
Our Fermi spacecraft scans the entire sky about every three hours and for months it had observed a blazar producing more gamma rays than usual. Flaring is a common characteristic in blazars, so this didn’t attract special attention. But when the alert from IceCube came through, scientists realized the neutrino and the gamma rays came from the same patch of sky! This method of using two or more kinds of signals to learn about one event or object is called multimessenger astronomy, and it’s helping us learn a lot about the universe.
Get more fun facts and information about black holes HERE and follow us on social media today for other cool facts and findings about black holes!
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.
Black (Hole) Friday!
It’s Black Friday, but for us, it’s the annual Black Hole Friday! Today, we’ll post awesome images and information about black holes.
A black hole is a place in space where gravity pulls so much that even light cannot get out. The gravity is so strong because matter has been squeezed into a tiny space…sort of like all of those shoppers trying to fit into the department stores today.
Because no light can get out, people can’t see black holes. They are invisible. Space telescopes with special tools can help find black holes (sort of how those websites help you find shopping deals).
How big are black holes? Black holes can be big or small…just like the lines in all of the stores today. Scientists think the smallest black holes are as small as just one atom. These black holes are very tiny but have the mass of a large mountain! Mass is the amount of matter, or “stuff”, in an object.
So how do black holes form? Scientists think the smallest black holes formed when the universe began. Stellar black holes are made when the center of a very big star falls upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space. Scientists think supermassive black holes were made at the same time as the galaxy they are in.
For more fun facts and information about black holes, be sure to follow us on social media.
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com
Check your facebook page for more info!! Black Friday sale happening all weekend! 11/24-11/26 Pssst... don't forget to tell Justin Happy Birthday on 11/25!! He likes cupcakes 😉🎉🎂 #blackfriday #happyfortyfive #oldisthenewyoung #mylife #mylove #svc #drfogsmiths #juicefordays https://m.facebook.com/story.php?story_fbid=882390278601805&id=263718530468986 (at Moneta, Virginia)
Em pleno regime militar brasileiro, Mônica Alencar Deveraux, jovem inteligente e doce, é presa injustamente e, antes de morrer, é transformada pelo Povo Antigo (sonhos e pesadelos que ainda vivem em florestas e vales esquecidos, e mesmo aqui, nos escuros interstícios da cidade) em uma poderosa Criatura da Escuridão. Hoje, agente federal e uma arma estratégica no jogo dos poderes políticos, Mônica descobre a Amizade e o Amor, mas vê a si mesma como um monstro, apesar desta poderosa brasileira ser tão bela e sedutora. Ela deve se permitir Amar? __________ @fraternidadedeescritores #scifibrasil #ficçãocientífica #blackfriday #WagnerRMS https://www.instagram.com/p/CIFBukBjQNJ/?igshid=1rhot2c21xy94
No terceiro livro da série space opera C7i: a Terra é atingida por naves bombas, lançadas por separatistas da colônia lunar, e, enquanto a Agência enfrenta mais uma crise, Milena e Borges, por meio do misterioso No-one, descobrem um horrendo segredo que mostra até onde a Agência pode chegar. __________ @fraternidadedeescritores #scifibrasil #ficçãocientífica #blackfriday #WagnerRMS https://www.instagram.com/p/CIFBi46jg7d/?igshid=16aw6936scpib
No segundo livro da série space opera C7i: iniciamos nossa jornada pelos meandros da Agência, e começamos a ver que a organização mais poderosa do planeta Terra é tão capaz de cometer erros quanto seus idealizadores humanos, mesmo que eles nem sejam mais tão humanos assim. Enquanto isso, Borges e Milena iniciam a construção de seus laços de amizade e desesperança, enfrentando a morte no mais solitário dos mundos, o espaço. __________ @fraternidadedeescritores #scifibrasil #ficçãocientífica #blackfriday #WagnerRMS https://www.instagram.com/p/CIFBaLTjzJM/?igshid=1ybe4cmwdqfu
No primeiro livro da série space opera C7i: o começo de um motim, onde humanos se rebelam contra uma mente não humana e quase onisciente, e o encontro com o nosso pior inimigo: um jovem com a mais pura e sincera fé. __________ @fraternidadedeescritores #scifibrasil #fraternidadeescritores #ficçãocientífica #blackfriday #WagnerRMS https://www.instagram.com/p/CIFA-J_jT5M/?igshid=q6me93yh0j9c
Tá Tudo Pela Metade do Dobro na Black Friday? Então...
O que você está achando da BLACK FRIDAY 2018?
O de sempre? “Tudo pela metade do dobro” do preço? Descontos que você já viu o ano todo?
Então, estes são os Presentes de Natal que reservei pra você, e não é ficção, todos estes e-books são seus, free:
1. Seria o Sol? (Conto) - https://www.amazon.com.br/dp/B010VQ4XTG
2. É a Vida (Conto) - https://www.amazon.com.br/dp/B0105DI2RE
3. Gente Trabalhadora (Conto) - https://www.amazon.com.br/dp/B01098GTD4
4. O Relé e o Pug (Conto) - https://www.amazon.com.br/dp/B010MOYP0E
5. C7i - Enganar um Deus (Livro 1) - https://www.amazon.com.br/dp/B00E6YQ866
6. C7i - Ponto Sem Retorno (Livro 2) - https://www.amazon.com.br/dp/B00E7JOW54
7. C7i - A Verdadeira Face (Livro 3) - https://www.amazon.com.br/dp/B00E99LEWG
8. C7i - Órfãos na Eternidade (Livro 4) - https://www.amazon.com.br/dp/B00EPXUT7W
9. Sob o Olhar da Eternidade (Romance) - https://www.amazon.com.br/dp/B00LBO3K2Y
Graaande abraço,
Wagner RMS
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Are you guys thrilled about dying when the world is ending?
Yes or no?
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