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Kevin Russell
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Kevin Russell

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Saw this +Brian Weeden and thought of you. 
 
Simulation of space debris orbiting the Earth

Since humanity made its first trip out of Earth's atmosphere, we've been polluting the emptiness surrounding our planet. Orbital debris is a significant concern for all space-faring countries and could seriously impact the future of spaceflight. Because objects in Low-Earth Orbit are moving at a brisk 7km/s (15,000mph) the risk for catastrophic collision, especially with manned spacecraft, is a nontrivial issue. 

This simulation illustrates some of the debris orbiting the planet (not to scale) that our spacecraft must navigate through when exiting the atmosphere. NASA and other government agencies track approximately 19,000 pieces of debris larger than 5cm with an estimate 300,000 pieces larger than 1cm existing below 2,000km. Numerous debris-removal missions are currently being planned to clean up low Earth orbits. 

Source: https://youtu.be/pkfKnxX-L0k

#ScienceGIF   #Science   #GIF   #Space   #NASA   #Earth   #Orbit   #SpaceJunk   #Debris   #Hazard   #Simulation   #Satellite  
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This act of 'white #privilege' terror has a long #history against the #African American community, #Racism, #hate speech and seemingly overt predatory #police action against people of color has got to stop by a white community who always soft pedals and hides behind their deluded claim of Psychiatrict condition . Just more bullshit white privilege.
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Astounding, the report I just listened to on +Democracy Now! #ohcanada
 
"The Canadian government pursued this policy of cultural genocide because it wished to divest itself of its legal and financial obligations to aboriginal people and gain control over their lands and resources."

#Canada   #FirstNations   #indigenous   #trc2015   #culturalgenocide   #reservationschools  
The Truth and Reconciliation Commission in Canada has concluded the country’s decades-long policy of forcibly removing indigenous children from their families and placing them in state-funded residential Christian schools amounted to "cultural genocide." After a six-year investigation, the Truth and Reconciliation Commission report concluded: "The Canadian government pursued this policy of cultural genocide because it wished to divest itself of i...
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From solar, to the galactic, to the universe ... to the parallel universe(s) perspective.

I am so grateful for the Internet of peoples ideas and discussions here.

 
Perspective. On the clearest night you can see about 2500 stars of the septillion that exist.

https://www.youtube.com/watch?v=NSxa5cVT3Ok
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In the US, the wannabe plutocratic puppet masters want to keep their identities hidden, even as they pull our lawmakers’ strings. Stop the secrecy before tomorrow.

http://qz.salsalabs.com/dia/track.jsp?v=2&c=uJPSHsJUb2NcZKIXYe4YaSpyyp6Exms4
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Calling all #STEM teachers
 
Assessment for Learning in STEM Teaching free CPD MOOC for English speaking teachers.
A free online course led by Dylan Wiliam and Christine Harrison, to help STEM teachers get to grips with Assessment for Learning.
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#esa rocks
 
2014 proved to be a fruitful year for us. Find out what we're looking forward to in 2015, including the launch of the IXV spaceplane, the continuation of Rosetta's adventures and three ESA astronauts in space.

Video: http://youtu.be/gRfiEFxhNx4

#Rosetta   #IXV   #astronauts   #Copernicus   #Galileo  
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Kevin Russell

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+Alan Stern It great to catch your interview on NPR today about the spectacular  #newhorizons   spacecraft mission!  It was one of greatest examples of space science communication I can recall in recent memory.  Man do we need more communicators like you.  Granted the interviewer had good question flow. It was a  SUCCESS: Simple, Unexpected, Concrete, Credible, Emotional, Story ("The Made To Stick" Authors would be proud).  I especially loved your retort about Pluto's 'planet' status ('when you see what we'll find you'll have a hard time describing it as anything but a planet".  I'm going to use that! I particularly, enjoyed your point, that it was the Astronomy community, not the Planetary Scientists community who held sway in that redefinition.  And to think I could have talked to you about all this at the 2010 NMSP runway dedication or Next-Generation Suborbital Researchers Conference (had I known)  Oh well there is always the future :)

I  searched but couldn't find todays interview, possibly they'll put it up later. Here is the link however from last year. http://www.npr.org/2014/07/13/330983584/mark-your-calendars-in-a-year-well-arrive-at-pluto
It takes a long time to travel 3 billion miles. On July 14, 2015, NASA's New Horizons spacecraft will finally get a flyby glimpse of the dwarf planet, as part of a mission launched in 2006.
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This is obscene
 
This needs to be shared and shared often. 
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http://www.wsj.com/articles/imitation-game-enlists-tech-support-1421253694   It was one the most inspiring movies I ever seen.  I can't wait to see it again. #turing #heroes  
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Wonderful
 
The European Space Agency is preparing to test the atmospheric re-entry capabilities of its new early concept spaceplane, the Intermediate eXperimental Vehicle (IXV). The test flight is slated for launch in November atop a European made Vega rocket, with the hope that results will inform the design of future ESA spacecraft.

The overriding goal in pursuing the project is to lessen the ESA's dependence on the current generation of Russian made Soyuz return vehicles. Whilst the IXV test vehicle is designated as a spaceplane, you could be forgiven for thinking that, at least on the outside, it looks anything but. Instead, in its current stage of development the IXV resembles a simple fuselage.
The European Space Agency is preparing to test the atmospheric re-entry capabilities of their new early concept spaceplane, the Intermediate eXperimental te...
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Have him in circles
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John Breakwell's profile photo
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Kevin Russell's +1's are the things they like, agree with, or want to recommend.
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The Guide to Minimum Viable Products. Free E-book By UXPin
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Zuckerberg on VR, anonymity and Facebook's future (Wired UK)
www.wired.co.uk

Skeptics may wonder if Facebook can keep 1.2 billion users. But Zuckerberg doesn’t concede that’s even an issue

Benchmarking Unity performance in WebGL – Unity Blog
blogs.unity3d.com

When we port Unity to new platforms, it is always an important question to find out how well it perf...

Sam Stephenson’s Bull City Summer - The New Yorker
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Working with a dozen local artists, the North Carolina writer Sam Stephenson documented what turned out to be a championship season for the

Google Video Quality Report
www.google.com

Find out how good the YouTube experience is with your Internet Provider using the Google Video Quality Report.

A free and open world depends on a free and open web. | Google
www.google.com

A free and open world depends on a free and open Internet. Governments alone, working behind closed doors, should not direct its future. The

Satellite Applications Catapult
plus.google.com

Helping UK businesses develop new satellite-based products & services to grow the UK economy.

Advice to Plutocrat Perkins: Time to Shut Up!
www.huffingtonpost.com

There's a rule of thumb in cyberspace etiquette known as Godwin's Law. A variation of that law boils down to this: He who first compares the

The Overview Effect: Environmental Awareness and the Changing Blue Marble
www.extension.harvard.edu

In the follow-up to last year's Overview Effect event, this panel explores the implications of seeing the Earth's climate change over forty

Start Something, the CED Blog: No Half Measures: Why I Quit My Job for a...
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August 10th, 2012 was my last day at Duke Medicine. I was in a job that anyone my age, or period, should be very grateful to have – autonomy

THIS Changes Everything
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As the sun shutters the world, city lights crackle to life.

Mixing Arts and Science: One Student's Story
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As a high school student in Los Angeles, Rebecca Lai found herself at an unwanted crossroads.Here interests were broad, running both into th

Space Investing: Costs & Benefits of Public Sector Contracts | Space...
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April 2013. Space investing: For a fledgling NewSpace startup bootstrapping its way to success, a government contract can provide much neede

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My friend’s father was a neurosurgeon. As a child, I had no idea what a neurosurgeon did. Years later, when I was a graduate student in the

New Government Documents Show the Sean Parker Wedding Is the Perfect Par...
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Nothing says, "I love the Earth!" quite like bringing bulldozers into an old-growth forest to create a fake ruined castle.

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An incredible few nights before Christmas 2010, then again for New Years Day 2011 breakfast. The perfect ending and beginning!!!
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