X-ray Binary (black Hole Devouring A Star)

X-ray Binary (black Hole Devouring A Star)

X-ray binary (black hole devouring a star)

X-ray binaries are a class of binary stars that are luminous in X-rays. The X-rays are produced by matter falling from one component, called the donor (usually a relatively normal star), to the other component, called the accretor, which is very compact: a neutron star or black hole. The infalling matter releases gravitational potential energy, up to several tenths of its rest mass, as X-rays. (Hydrogen fusion releases only about 0.7 percent of rest mass.) The lifetime and the mass-transfer rate in an X-ray binary depends on the evolutionary status of the donor star, the mass ratio between the stellar components, and their orbital separation.

An estimated 1041 positrons escape per second from a typical low-mass X-ray binary.

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More Posts from In-pursuit-of-knowledge-blog and Others

When You’re An Umbrella Jelly But You Can Never Be Dry 😓 

When you’re an umbrella jelly but you can never be dry 😓 

But they never stop trying 💪


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it is absolutely my kind of thing. so much work, such intricate pieces! I would’ve loved to be on the team that put this together.

Creepy Or Adorable? Researchers At Harvard University Have Demonstrated The First Autonomous, Untethered,
Creepy Or Adorable? Researchers At Harvard University Have Demonstrated The First Autonomous, Untethered,
Creepy Or Adorable? Researchers At Harvard University Have Demonstrated The First Autonomous, Untethered,

Creepy or adorable? Researchers at Harvard University have demonstrated the first autonomous, untethered, entirely soft robot: the octobot.

Instead of being controlled by electronics, the robot’s logic board is powered by chemical reactions and fluid passing along tiny channels. Scientist have struggled to create completely soft robots because rigid components like circuit boards, power sources and electronic controls are difficult to replace.  

Learn more about the octobot and soft robotics here and see the full study published in Nature here.

Videos Credit: Harvard SEAS/Image Credit Lori Sanders


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:)  <o)   ( <- watermelon bagel, which catches the drips of watermelon juice so they don’t get on any important mineralogy notes)

Also being a scientist pretty much gives you a free pass to be as eccentric as you want like you’ll be at a conference and it’s like “is that guy wearing socks and sandals and plaid pants???” “Ya but he was on the team that discovered gravitational waves let him be”


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What is your favorite deep ocean fish?

It’s impossible to choose because there are so many great ones! Here are a few:

What Is Your Favorite Deep Ocean Fish?

deep sea anglerfish

What Is Your Favorite Deep Ocean Fish?

barreleye fish

What Is Your Favorite Deep Ocean Fish?

ghost shark


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Sharpless 249 And The Jellyfish Nebula

Sharpless 249 and the Jellyfish Nebula

Image Credit & Copyright: Albert Barr

Love astronomy, space, and other science stuff?

Get them directly into your inbox on a daily basis by subscribing to our mailing list. Click the following link to subscribe: http://bit.ly/subscribetobeautyaboveus


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it’s really not as bad as you might think!

honey is the only food product that never spoils. there are pots of honey that are over five thousand years old and still completely edible

“The State of  Archaeology”

Such a scary title right? Well, boy oh boy do I have an adventure for you today.

So, I was at a really bougie historic preservation conference because my bosses were presenting. The last panel I went to was supposed to cover the kinds of issues with Cultural Resource Management (CRM) the state was coming across. 

They ended up talking about how all of this would kind of be fixed if we had more funding from the state and more robust laws surrounding archaeological materials.

But this was a room of basically only archaeologists, and mostly professional archaeologists over the age of 35. We were in such an echo chamber. I was the only “young” student there.

SO. I start getting pissed because the same people just kept practically saying “but HOW do we fix our funding problem, we have such AWESOME sites.” “oh, the public is definitely a vital piece to archaeology” but no one was saying the (what I thought was) obvious.

TL;DR If archaeologists want to fix their problems, they need to DO something about it instead of sitting in an echochamber. WE need to make sure the public knows what we do, and more importantly, WHY it matters. We need to make sure the information we disseminate is not just for ourselves in the present, but for the public, for EVERYONE, and for everyone in perpetuity.


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Jelly Donut Anyone? These “dinner Plate” Jellies Usually Live In The Deep Sea, But Were Recently
Jelly Donut Anyone? These “dinner Plate” Jellies Usually Live In The Deep Sea, But Were Recently
Jelly Donut Anyone? These “dinner Plate” Jellies Usually Live In The Deep Sea, But Were Recently
Jelly Donut Anyone? These “dinner Plate” Jellies Usually Live In The Deep Sea, But Were Recently

Jelly donut anyone? These “dinner plate” jellies usually live in the deep sea, but were recently spotted closer to the surface around Monterey Bay. 

Local diver Dave Smith captured this video of one snacking on doliolids (the gelatinous things floating around in the water and also in the jelly’s pink gut tissue). Just in time for National Donut Day!


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So I stumbled onto the Etsy shop of this academic who–in real life–is an expert on cuneiform–and on the side, makes little trinkets with Sumerian on them and OH MAN THIS SHOP HAS MADE MY ENTIRE WEEK For the price of about thirty bucks, you too can have a clay necklace that says “Like a farting butt, the mouth brings forth too many words” in the oldest written language on earth https://www.etsy.com/listing/537034173/choose-your-words-carefully-like-a?ref=shop_home_active_23

Or a necklace that declares “I have ferocious features that exude sexiness” https://www.etsy.com/listing/540406774/i-have-ferocious-features-that-exude?ref=shop_home_active_54 Or be the ultimate hipster and anti-capitalist before capitalism even existed with “Wanting more riches when already wealthy offends the gods”  https://www.etsy.com/listing/543598245/wanting-more-riches-when-already-wealthy?ref=shop_home_active_6

Sumerian erotic poetry? Got it. Sumerian drinking songs? Yep. A little something for everyone on your Akitu gift list.


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in-pursuit-of-knowledge-blog - Everything Is Interesting!
Everything Is Interesting!

Once I was made of stardust. Now I am made of flesh and I can experience our agreed-upon reality and said reality is exciting and beautiful and terrifying and full of interesting things to compile on a blog!   /  27  /  ENTP  /  they-them  /  Divination Wizard  /  B.E.y.O.N.D. department of Research and Development  /  scientist  /  science enthusiast  /  [fantasyd20 character]

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