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The following is a five-year-old post on one of NASA's websites. https://www.nasaspaceflight.com/2015/04/evaluating-nasas-futuristic-em-drive/?fbclid=IwAR02ifoAVrPGa0StAxsTjIuS3b08fUOyMcPh1-nBjeiwgwWkI3H7jnA0Has It exposes the holes in the state of affairs at that moment -- first, the article...

Is the main focus of the physics career discovery, leading invention for the engineers? I mean in the hypothetical situation of the building of a rocket, would the physicist spend their time discovering new ways of making combustion or discovering new materials for a spaceship, and the...

behavior on the ISS. https://gizmodo.com/in-video-debut-cimon-the-iss-robot-throws-an-unexpecte-1830768737

NASA is looking for a process to use CO2 as a Carbon source on Mars; ultimate goal is to use the Carbon in the synthesis of other products. $50,000 prize. Open to U.S. citizens, permanent residents, and U.S. business entities, work must be done in the U.S...

I was wondering, how does NASA actually calculate their super exact Ephemerides?

One idea for a moon base would be reinforced concrete domes, but is pouring concrete in a total vacuum even possible? Wouldn't the water just evaporate, or is there another material we could use instead of water? Are the ingredients of concrete plentiful on the moon, or could we synthesize them...

NASA decided to stop *WFIRST and concentrate on Mars project (send humans to Mars). What do you think about it? In my opinion, since a lot of ventures have begun space developments such as SpaceX and this proves that rockets make money, NASA should tackle WFIRST. Generally, we cannot earn...

I've been working on this passion project for a couple of years now and was wondering if you guys have any tips all I can say right now is.Its lunar capable,going to carry 8-10 crew and 2 landers or cargo,reusable,and easily modifiable for earth orbit operations.

Trying to figure out how many particles would bombard an astronaut during a solar proton event. Given that the most possible is around 43,000 particle flux units (pfu) according to NASA. First calculating steradians, assuming a person is 1m^2, 1/(1E9)^2=1E-18. My calculation yields (43000...

Hello those who are reading! I have just graduated with my undergraduate Bachelors degree in Civil Engineering with a 3.4 GPA. I currently work for a large civil construction company as a field engineer. I have written and published a Children's book about engineering. I am looking to start...

TheAdmin submitted a new PF Insights post Test Your NASA Knowledge Continue reading the Original PF Insights Post.

There has been a lot of controversy surrounding the EmDrive and it supposedly being a reaction-less drive Many have pointed out that this goes against the conservation of momentum I have seen videos of a couple people dismissing the notion and outlining the apparent issues with the physics I am...

For how long will we still be able to communicate with the amazing Voyager 1?

d-h submitted a new PF Insights post Your Software is Never Perfect Continue reading the Original PF Insights Post.

Source: NASA to Announce Latest Kepler Discoveries During Media Teleconference Livestream Time conversion reference: this post was posted at 7:45 pm EDT. My guess: various roughly Earth-sized exoplanets around dwarf stars, probably at least one in the habitable zone. Edit: More than 1000...

Hi, just came across a video on CNN showing how to make water behave like it would in space: <link to video deleted> My question about that video is: what height do i need to get a free fall time of 10 sec? best regards

Getting into NASA would be my greatest achievement. Presently, I am a chemistry graduating student. Do I need to study something to get qualified there? (I am not a US citizen)

Caltech astronomers have published evidence recently of a possible new planet. You can read about the full story here. I have also submitted a video on what NASA says about it. What do you guys think? I think it'd be cool to see a new ninth planet come out. Also, I wonder what it will be named...

Does JWST has any significance in fundamental physics research? What kind of questions would we get answers to?

Hi everyone! I'm at the end of the second semester in an mechanical engineering undergraduate course. I love spacecrafts, rocketry, aircraft and all that aerospace stuff, so I'm decided that, so long I finish my undergraduate, I'm going to pursue a major in aerospace (maybe something related to...

Hi everyone I am currently a freshman in college planning on applying to the School of Engineering next fall. I want to be an Astronautical Engineer but my school doesn't even have Aerospace so I was planning on doing Mechanical. I would like to work for NASA as an Astronaut but I would also be...

Hi! So I'm a college student and I was looking at trying to get together a group to compete in NASA's student launch initiative. However I don't really know anything about rocketry and don't know where to start. I'm currently studying mechanical engineering and planning on emphasizing in...

So, I did a little searching around on these forums before I posted this, and I do see lots of threads about working for NASA but not something about my specific situation. I'm currently attending a college working on my AA. After that, I'm probably going to transfer to a University, where I'll...

I am very interested in the Astronautical area of science; however I am still in high school so I don't get a lot of time to read up on the latest news about this future mission. This is why I am eager to be filled in on the latest news about the mission. I am looking to know about the...

From what I understand, our Hubble's sphere is just relative to earth and has a diameter of 93 billion light years putting the edge of the observable universe at 46-47 billion light years away. So every object in space will essentially have it's own Hubble's sphere and objects near the edge of...

Can someone please give a step by step explanation of an orbital rendezvous by a spacecraft for a target that is orbiting the body it launched from? And if possible, can you explain how mission control is involved and what part computers play? When the RCS is active is it changing the...

Is a warp drive actually possible to create? If so, how long until we can develop one? Is it at all possible that they could be developed during our lifetimes? I'm asking because of this article...

Hi all, I'm currently an applied mathematics student in my third year, and I plan to attend graduate school for pure or applied math. Physics and engineering deeply interest me, so I'm naturally drawn to the aerospace industry. Dazzling leaders like NASA and SpaceX are truly inspiring, and it...

Can anyone point me in the direction of any published scientific work involving the study of Earth to Mars flight trajectories? I am thinking of researching this topic for a project and I would like to know about the work that has already been done.

Hi everyone, I am a High School student (final year) and am doing an extra-curricular project. Having complete autonomy on what we do the project on, I choose to design a High-Altitude Long-Endurance (HALE) UAV, such as the QinetiQ Zephyr [http://www.airforce-technology.com/projects/zephyr/] or...