Astronomy and Cosmology

Hi guys, I wondered if anyone on here has watched nassim Haramein's latest vid on his award winning paper regarding his theories on physics. I am keen in talking about all aspects of life, philosophy and new up and comming theories. I have been reading alot of Tao the last couple of years amongst other ancient scrips regarding knowledge, i find it amazing the our ancestors talk about physics in their own way. Nassim is more than aware of this and it shows in his work, he is a person that likes to think outside of the box as do i, i understand its not eveyones view but i will glad to hear what you have to say on Black Whole as i value your oppinion and will take on boa…

Hi everyone I'm sorry but I think I posted in the wrong forum! I'm not sure where this question should go but it's probably not an astronomy question Hello all. I've been reading about Hawking Radiation. My interest is mainly in science fiction so please excuse the wild and wacky hypothetical question, but I'm wondering if it's valid or plausible. My understanding is our ability to create high energy particles is continuing to increase every year, culminating with the Large Hadron Collider in recent history. Surely future particle accelerators will be able to create even more energetic particles, until one day we produce a collider so powerful it could potentially g…

http://en.wikipedia.org/wiki/Pascual_Jordan Is Pascual Jordan so unpublicized because he joined the Nazi Party like tens of millions of Germans in his time, or because his theory says a singularity is not needed to create the Universe as presented in the widely accredited Big Bang? "A star can be made out of nothing at all because at point of zero volume its negative gravitational energy precisely cancels out its positive mass energy." Jordan. Furthermore, are Jordans 'quantum fluctuations' by which he said matter is created merely the addition of tiny bits of Time to the tiny bits of Space as presented in Loop Quantum Gravity?

Howdy, I've got a few questions about whatever it is within which "the universe" appears... Is there a distinction between the "universe" and "space"? I see the two terms used interchangeably quite a lot. If the universe is the definition of "space"... then what is the formal scientific name of what the universe is expanding "into" or "out of"? Is the term "universe" just a convenience used to describe patterns and processes of energy/movement taking place within space? If this is the case, then is there any reason why there wouldn't be other, even many universes? Simple, please...I realize there really isn't any boundaries to the universe, and that …

Whenscientists say that 90% percent of the matter in the universe cannot be seen,have they factored in black holes? Even if we have to guess at the # of blackholes and the mass they contain on average, surely that’s been calculated somewhereright? Any links to articles with these calcs would be awesome.

I've been curious about time travel for a while now. Is it be possible? If so, how can it be done? I think that if one is able to manipulate the space-time continuum, that might be the way to do it, though I must admit I cannot began to imagine how someone is to go about doing such a thing. Another idea of mine is that if someone is able to externalize the reversal of a clock or wristwatch, then maybe it can be done. A while back, I read a little bit of Stephen Hawking's A Brief History of Time (the chapter about time travel) and I didn't understand a whole lot of it, but I've watched programs on the History channel that discuss theories regarding wormholes possibly causi…

I've heard that the bigger the star the shorter it's life span. so, how big would a star have to be live a single instant in time?

Is it possible, or are there any theories that might suggest that the gas and dust surrounding large black holes might have been created by the matrix of energy fluxuations, accelerations, and particle collisions surrounding the event horizon of the black hole. Instead of being left over from the Nova, or past "meals" of the entity?

Hi All, I am new to this forum - so, be gentle with me. My question is this : I am told/read that all the heavy elements, that is all above Hydrogen and Helium have been created in large stars with enough heat and pressure or/and by Supernovae. These heavy elements require temperatures in a Supanovae above somewhere above 10^9 Kelvin. These temperatures occured in the very early stages of expansion of the universe - around 100 - 1000 seconds. So, why do we not think the heavy elements were created then ? George

During the infancy of a planetary system, it usually consists of a young star, surrounded by a disc of spinning gas and dust. Eventually, turbulence in the disc results in the accumulation of clumps of matter, which over time grow into massive objects, which can eventually become planets, if they become so great as to achieve hydrostatic equilibrium and clear their orbits. Now, early on, before the planetlets have come into their own as rulers of a Hill sphere, the matter passing by them in adjacent orbits would be travelling faster if closer to the primary, and slower if farther out; thus, from a corotating reference frame, outer dust particles should be moving backw…

Has heliocentrism been disproved? http://www.youtube.com/watch?v=MCV6xbtmKMQ&feature=channel_video_title

Ok, first off I'm 22 and I know I'm young, I have no scientific studies degrees or anything even saying I'm an expert in this field. So if you have anything to say to be Dick about it just post your reply and i'll tell you what I think. As far the big bang theory goes it states simply that the universe.was created by a massive explosion. Here's my point its ever so large flaws. If space lacks oxygen or at least enough for human survival, remember an explosion needs fuel, and even though its hydrogen, highly flammable, not so much explosive unless under pressure, which space obviously lacks, then how in the world could it be one mass explosion? Considering the fact tha…

What would be the practical problems and effects upon animals kept in a bioshere on Mars. eg Sheep, Cows etc ?

Could some sort of "primordial turbulence" have imparted motion, to collapsing cloud 'clumps', so that their collisions could have triggered star-formation bursts (w/o need for as much DM) ??

Hi, New here, just needed to fire off some burning questions. Been watching some vids on cosmology and here are few things I really don't get and can't find internet data about: 1) Shouldn't gravitational pull be strongest at the surface of a planet (assume uniform density for sake of simplicity). The gravitational pull inside the planet should have some cancelling effects on one another, and in the core will be net zero. This is validated by some google searches. But then, why do we believe the planets have a core? Isn't it more sensible to think we're just a spherical shell, perhaps many kilometers thick, held toward a center of gravity? 2) Following up on q…

I'm looking for some good tracking software to track the live decent of UARS a 1200 lbs satellite as it crashes to Earth later today. (for Windows 7) I need something that has the ability to track UARS in real time with second by second updated info and not just a 'prediction' track based on where it's orbit should be, as a simulation would. There is also another German made satellite that's going to crash soon I want to track. I'm looking for something easy to use, accurate.

I want to know that " Is Venus a morning and evening star in the end of September?"

Here is a Gif i made for my experimental media class as a tribute to Carl Sagan. Hope you enjoy.

winner(s) in Physics to be announced tomorrow 4 October this site will show who http://nobelprize.org/ the physiology and medicine prize was awarded today (Monday 3 Oct) and it went to two Australians who discovered that ulcers are caused by bacteria in the stomach, instead of by stress (as everyone thought) so could be cured by a simple course of antibiotics. can physics (in its present circumstances) match that for importance? anyone have any ideas about what category of research it should go to?

[math]T^4® = \frac{3 G M \dot{M}}{8 \pi \sigma r^3} \left[1 - \sqrt{\frac{R}{r}} \right][/math] [math]C_S^2 \approx \frac{k_B T}{\bar{m}}[/math] [math]v_K^2 \equiv \frac{G M}{r}[/math] [math]\dot{M}_{Edd} \equiv \frac{4 \pi c}{\sigma_T} \bar{m} R[/math] Defining [math]\dot{M} \equiv \mu \dot{M}_{Edd}[/math], then w.h.t.: [math]\therefore \left(\frac{C_S}{v_K}\right)^8 \approx \mu \left( \frac{k_B}{G M \bar{m}} \right)^3 \left( \frac{3 k_B c R}{2 \sigma \sigma_T} \right) r \left[1 - \sqrt{\frac{R}{r}} \right][/math] [math] \approx 2 \times 10^{-10} \left( \frac{\bar{m}}{m_H} \right)^{-3} \left( \frac{M}{M_{\odot}} \right)^{-3} \left( \frac{R}{R_{\o…

These questions have been bugging me for a very long time: What day does the star Betelgeuse rise at 10:00 PM? What day does the star Betelgeuse transit at 10:00 PM? What day does the star Betelgeuse set at 10:00 PM? What bright star is just rising at 2:00 AM on December 10? What bright star is just transiting at 7:00 PM on September 15? What bright star is just setting at 9:00 PM on April 20? What constellation is located at the zenith at 9:00 PM on September 10? I have been trying to use the program Stellarium to find the answers but I am very confused on how to go about it. Please help and thank you.

I don't know that much about it, but I was just imaging what might happen if Kepler were many light years away with Sol in its field of view. I imagine: 1. A very small probability that Venus and/or Earth could be detected via transit (considering their diameters and orbits and the chances of favorable orientation with far away Kepler spacecraft). 2. I may be wrong, but I suspect that Mercury and Mars may not be detectable by Kepler. 3. The planets in the outer solar system seem to be too distant from the sun to be detected by Kepler (guess based on what I know of the transmit method). 4. The many fascinating moons in the solar system would obviously go undetected …

I realized today that, if the sun went out immedeatly, we would still see light for 8 minutes, but the earth would go out of orbit immedeatly. This means that the force of gravity works faster than the speed of light, and therefore could possibly be used to go faster than light in a spaceship, if the force of gravity could be harnessed. Any thoughts?

hello I just found a timelapse video recorded by the International Space Station. Id like to have your impressions .. I think it is just awesome Don't forget 1080p http://www.youtube.c...h?v=r3SuPCjv7RY

What would make an alien planet so dark that t would be black as coal can be? New Discovery: The Darkest Alien Planet That is as Black as Coal.