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32faction
searching PlanetScale…
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8 ms
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31.
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32faction
12y ago
> How are you going to kick a rocket falling from outer space? I meant if there was some external force like a wind shear or grid fin/hydraulic line failure that pushes the rocket hard enough on descent to alter it's vertical o
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New Horizons begins Pluto observations
(nasaspaceflight.com)
1 points
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32faction
12y ago
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0 comments
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32faction
12y ago
Nitrogen cold gas thrusters don't give enough "oomph". Maybe if the rocket was inclined at angles x<10 degrees with respect to the vertical axis it would've been able to correct but this rocket was leaned over at what
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32faction
12y ago
Those are just grid fins which are used more for steering than attitude control. If I kick the rocket over those fins won't do any thing because they can't correct the force I applied to kick the rocket over. An active thruster (a
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32faction
12y ago
I feel if the 1st stage booster had an attitude control system toward the top like the BRAHMOS missile [1], the lean could've been corrected to at least have the rocket be upright when it impacted the platform. Although the choice to a
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32faction
12y ago
> Where was this video a couple of days ago? Usually when there's an error or a failure on a mission, there will be an immediate lockdown of all PR, videos etc to analyze the problems first and understand what happened before the of
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32faction
12y ago
This isn't happening anytime soon. China's next mission is Chang'e 5 which plans to launch in 2017. Its a robotic sample return mission and probably a validation/verification mission to make sure and confirm the Helium 3
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32faction
12y ago
Kerbal Space Program has a good physics model for fun but not for study: it's very basic. Their drag and aerodynamic model for example is not accurate (if I remember correctly they assume drag to be constant) Jet engine modeling and li
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32faction
12y ago
He makes good points but I've said it before and I'll say it again: sub orbital flights and non-interplanetary space travel in general is where the airline industry used to be which is a rough spot with a lot of known and unknown
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32faction
12y ago
Course: Preliminary Spacecraft Design (for BS in Aerospace Engineering) Group: 8 (I was Project Manager) Year: 2013 Thesis Topic: Prevention and mitigation of Kessler Syndrome effects in low earth orbit. We were tasked with designing a &quo
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32faction
12y ago
Other than a front page badge of honor, what is the benefit of reaching the front page? I've read pretty profound articles a few pages in which only had a few points
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32faction
12y ago
Yep! My friend's capstone team was named "Perigalacticon" I thought it was some SciFi thing but I later learned it meant "closest approach to the center of the Galaxy"
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32faction
12y ago
Europa is tidally locked to Jupiter meaning one side of Europa is always facing Jupiter (like our Moon). It also orbits in a nearly circular orbit however this is not to be confused with perfectly circular orbit: Europa will have perizene a
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32faction
12y ago
Location: Phoenix, AZ Remote: No Willing to relocate: Yes. Anywhere in the world. Technologies: CATIA, MATLAB, SIMULINK, ANSYS, Adobe Fireworks Email: GaliciaL@my.erau.edu Résumé: Upon request. LinkedIn: https://www.linkedin.com&
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32faction
12y ago
I'm unsure if I'm doing it right but I've never used LinkedIn to secure an interview or job for that matter. I haven't met anyone who had done the same either and my Facebook LinkedIn friends list is basically 1:1. I won
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32faction
12y ago
As a Phoenix native this totally makes sense. Our summers average 110 degrees. We have our sweaters on if it somehow dips to the 90s.
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32faction
12y ago
The anomaly was solved in 2012. The cause was heat being radiated from the power generator in the direction of motion causing the spacecraft to "brake"
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32faction
12y ago
SpaceX as of right now only has medium class rockets which is aimed at space station resupply. The Space Launch System that Boeing uses to carry the Orion is a heavy lift class. The difference is in carrying capacity. Think star destroyer a
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Ask HN: Is the 'check-in' dead?
1 points
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32faction
12y ago
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Updates on Hayabusa 2, the Japanese asteroid mission
(spaceflightnow.com)
2 points
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32faction
12y ago
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0 comments
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32faction
12y ago
Location: Phoenix, AZ Remote: No Willing to relocate: Yes. Anywhere in the world. Technologies: CATIA, MATLAB, SIMULINK, ANSYS Email: GaliciaL@my.erau.edu Résumé: https://www.linkedin.com/profile/view?id=15091975 About
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32faction
12y ago
I shop myself. I peruse GQ, and /r/mfa for style inspiration. I actually just got back from Black Friday shopping and I'm wearing these really comfortable A&F sweatpants as I type this.
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32faction
12y ago
My highest upvoted comment[0] was a thought I had reading an article by the New York Times: "Space Tourism Isn't Frivolous, or Impossible". This was around the time that Virgin Galactic and NASA/Orbital Sciences had thei
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32faction
12y ago
This is an interesting follow up to Mr. Graham's "Mean People Fail" essay. I guess those mean people don't have the integrity to be nicer people as Mr. Buffett explains.
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32faction
12y ago
Ok, on a PC so here's a little more detail: In theory, aerospike engines are pretty efficient at nearly any altitude. It has to do with the pressure and temperature variations as the rocket travels through the atmosphere. (There are po
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Ask HN: How do you startup a space company?
1 points
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32faction
12y ago
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2 comments
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32faction
12y ago
How does one go about starting a space startup? A lot of YC companies are tech companies where one can go into Ruby on Rails or Java, crank something out with virtually zero capital, get the hockey stick growth and then it's a company
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32faction
12y ago
I'm on mobile so this'll be pretty in-a-nutshell: Aerospikes are rocket nozzles that are very efficient across a wide range of altitudes because at different altitudes you have different pressures and temperatures. Normal rocket e
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32faction
12y ago
Make sure you get a copy from the 1930s! Everything else has been edited from the original text. On another note, get a copy! I read it and was surprised a book nearly 80 years old is still highly relevant. It was actually pleasing to read
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32faction
12y ago
Food production. Even today there are people without enough food. The planet isn't getting any bigger while the population grows each day.
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