Astrophysics Definition and 845 Threads

is it posible to graduate in astrophysics after undergrad in mechanical engineering, this is what I've currently planned and I'm already one semester into my engineering undergrad course. is it necessary that i switch or is it possible to study some of the fundamentals of astro on my own and...

I am studying mechanical engineering right now, but i want to master in astrophysics or cosmology after this, what are the possible careers for this route of study? also,what are the best universities for a masters in astrophysics? Since I am an indian national, I am looking for a university...

First i need someone to help break it down what's the difference. Instead of just saying the origins of space is cosmos. Ima tell you what I am interested in and let me know which one i will do better in. I am interested in learning about space and how it was created, not only I am interested in...

I'm in my 4th+ year of grad school in physics, working in the field of astrophysics. I've never taken an actual statistics course, and I'm starting to see the need for one - at the moment, I get all my statistics knowledge from Numerical Recipes. I do a lot of traveling for my research, so I...

Homework Statement Write out expressions for the rotational speed (at the equator) and rotational period of an object mass M and radius R that is spinning at the break up velocity. Homework Equations F= mg F = m \omega^2 r g = \frac{mG}{r^2} The Attempt at a Solution So i...

hey guys, I am new here and thought you might like to help me out. I am a first year astronomy student at Curtin University in Western Australia. my current assignment has asked me to calculate the mass of hydrogen converted in the sun to helium and energy over 10 billion years (10 billion...

Im still in high school, and although our school doesn't offer any astrophysics courses, I was hoping on reading some books to learn more. I've read the Inflationary Universe ... any other suggestions?

Homework Statement Experiment 15.2 (note this is from a book about 5 years old, and the book has no solutions!). I am simply unsure how to calculate between parallax with 1% error and parallax with 50% error etc. Please see the scan I done of the page...

a)Calculate the altitude of a geosynchronous orbit (an orbit that has an orbital period of one sidereal day)(altitude is measured from the surface of the earth/ The "r" in gravitational equations is always measured from the center of mass of an object. one may assume a circular orbit.) b) how...

What's the difference between Theoretical Physics and Astrophysics? What I mean is isn't Astrophysics also included in Theoretical Physics?

Hello, I'm new to these forums so I don't really know if I'm posting this in the right spot, but I was wondering if I could get some suggestions on books to read on Astrophysics. I've been reading a couple books on String Theory by Brian Greene and a couple books by Michio Kaku, but I would...

Hi, I am looking to major in Astrophysics. I am currently attending a community college in New Mexico and hope to soon transfer to UNM or New Mexico University of Mining and Technology. One of my main questions is about the schools. UNM offers a limited degree into this field and the...

okay, I am only in community college right now. trying to save some money before i go off to a four-year school than grad school. I am almost dead certain of majoring in astrophysics or astronomy. just like anything else, its bound to change but still in one of the other fields of physics. as...

Hi I'm currently a postgraduate student doing pure maths, and I'm quite interested in self-studying astrophysics! If you do physics or know something that can be of help, could you please suggest me some reading materials? oh and I haven't studied physics after getting out of high...

So rather than give my life's story, I'll make it relatively short. I got my BS in Physics last year, and am currently working on my MS in Astronautical Engineering at a top 10 engineering school. I will be done in December, and lately I have been thinking about getting my PhD in Astrophysics. I...

[SOLVED] Astrophysics homework: Cosmology Homework Statement I have to show that during the Big Bang Nuchleosynthesis, the scalefactor is approximately given by a(t) = \left( {4H_0^2 \Omega _{r,0} } \right)^{1/4} \sqrt t The Attempt at a Solution Ok, since the BBNS is during the first ~3...

Hi All, Yale University offers Open Courses including a series of lectures from Yale University entitled Frontiers and Controversies in Astrophysics The first part is published further courses will be added in due course. The first course has 7 50 minute lectures. It is free to register and to...

I’m extracting here a side discussion on the application of Preferred Reference Frames from a thread on the twins paradox, so that thread does not seem to get “hijacked” by this discussion since the connection may seem thin to some. IMO the preferred frame interpretations as used in Astrophysics...

Hi, (I'm not too sure where to post this but this seems to be the most suitable place. Apologies if I am wrong.) If I am majoring Astrophysics and applying to grad schools, is my Math gpa an important factor in addition to my Physics gpa , Astronomy gpa and cumulative gpa? If so, how...

I am a junior in high school; and I have enjoyed Physics as well as math very much throughout my three years of high school. Very soon, I will have to know my major and the schools i wish to apply to( have to know by next week). When I looked at colleges, I saw that they listed Astrophysics...

... from your own home and not at a university? What kinds of software would you need to perform simulations of astrophysics related phenomena like Blackholes and supernova of stars ? I suspect you would also need a special kind of computer to perform these simulations.

YEAR 12 Astrophysics EEI HELP! Please? Homework Statement Hello :) I'm a year 12 student working on my EEI (Extended Experimental Investigation) which is about astrophysics. We are allowed to pick any topic, however we were given some ideas: Sunspots History of Measurement...

Where can I download free online books on Astrophysics? Thanks.

Homework Statement 1) Calculate approx. how many Cosmic Microwave Background-photons that you would absorb per second if you were in space. The Attempt at a Solution Ok, I know that the CMB-photons fit with a blackbody spectrum with T = 2.725 K. So the total amount of photons I find by using...

hi, I am having trouble deriving an expression for converting between monochromatic flux expressed in wavelength and in frequency units. i think that the monochromatic flux of a star is found by F(Δf) = ΔE / ΔtΔfΔA F(Δλ) = ΔE / ΔtΔλΔA where E = energy, t = time, Δf = frequency bandwidth, A =...

hi. this is probably in the wrong place, but what is the difference between cosmology and astrophysics... i only ask because i wanted to be an astrophysisist, but before i make up my mind for sure i just want to know what cosmology is... thankyou dan

Hi I am new to the forums and I am currently a 1st year student, and I am planning on majoring in astrophysics. I wasn't sure whether to put this here, or in career guidance, but anyway. I was just wondering what kind jobs are available for a major in astrophysics and if it is is almost...

I have had a love for astronomy when I was a child. Today, I am well on my way toward becoming an engineer (Mech). I would like to find out how much of a common thing is it for engineers to go work for astronomical societies/research institutes/ observatories doing any kind of engineering...

Anyone studying either physics or Astrophysics next year at Edinburgh university?

hi! i'm a 2nd yr civil engineering student. after completing my b.tech in this field is there any scope for me to make my career in space_technology or to study in astrophysics? is there any entrance exam? please... inform me.

Our college has just established a new department: laboratory of high energy physics and cosmology. And it is the first in our country. We are first students,too. Can you help me have a general view on cosmology and astrophysics? We only know little about some constellations and solar...

Several friends and I have a great yet unexplored interest in Astrophysics, and interesting Math not taught in the typical high school course. We have decided on forming a discussion based "club" (we will read/do research in between discussions) to help us learn more deeply and efficiently. I am...

Hi, uhh, well I don't exactly know how to start here. I am a sophomore in high school and I am really interested in astronomy and physics, so obviously this was the first place for me to look. The thing is though, I don't know that much about neither astronomy or physics (due to my counselor not...

Hi Everyone. I thought I'd pose this question here since I've gotten much conflicting advice about this from pretty much everywhere. My goal is to get a PhD in astrophysics. I am interested in both theoretical and observational cosmology. My undergrad degree is in physics. The reason why I...

Can you tell me How Much is the difference between theoritical and experimental astrophysics?

I deadly like to read and think the topics of astrophysics.I am an undgrad student of physics major. Is it really hard to make good career in astrophysics? are not jobs too much available ?

I'm sorry if I'm posting this in the wrong section, I'm new here, I'm Aimee and I'm 16...Well, geez...:redface: I feel so...young and uninformed. lol I'm just in High School and I am in an Astrophysics class and I'm going to take Physics next year and study Astronomy and Physics in College, but...

hie all, i'm a student and I'm working on a software using FITS file. I need coordinates of galaxies which are stocked in those FITS file. For that i have to use a c++ library then i'll b e able to extract them. i would like to know if somebody has ever code a c++ program using a FITS...

Hi all. This is going to sound a bit odd, but I'm actually coming over from a piano forum of all places XP Me and a couple of friends are trying to solve some analogies off a very high-ceiling IQ test (the Titan Test) for fun and a question has arisen that none of us will ever be able to...

Hi, i'm searching for a big database where i can find informations about astrophysics objects (stars, galaxies, etc.); the informations i need are mass, position, etc. (and if i can, references to the papers on that object). Does a so big database exist? Thanks

Hi there, I am currentley in grade 10 and am having trouble getting into the highest maths which is geometry and trigonometry which in partnership with introductory calculus goes into Calculus in year 12. I have gotten into introductory calculus but I am quite positive that ill need calculus...

Hi, I've just graduated from school and getting ready for university. I really love computers and astronomy-astrophysics. I've decided to follow a career as an a electrical and computer engineer and not physics. I've chose this mainly because I will find a job easier than going to physics (at...

hi friends can you help me in collecting systematically some important phenomenon or 'effects' in astronomy and astrophysics like rossiter effect, yarkovsky effect.:cool: even recently discovered phenomenon and related explanations are welcome.:approve:

I have no clue if this has been done before, even though I Searched... But I'm 17 and want to learn about Astrophysics, it is one of the things that really appeals to me. I tried to take Physics in school but my teacher was terrible and wouldn't even answer my questions. Do any of you...

i have 2 questions: 1. what is the difference between astronomy, astrophysics and cosmology? 2. what did Alan Guth mean when he said, "The universe is the ultimate free lunch"?

1) From the ground of the Earth, atmospheric turbulence limits the typical best image to a full-wide-at-half-maximum (FWHM) of ~0.5 arcsceond (this is an angle). Suppose we can determine positional accuracy of stars to ~1/10 of the FWHM, to how far in light years can we use the parallax method...

Ok, so I need a topic to present. I am taking Quantum mechanics, introduction to astrophysics, and a seminar class... I need a topic for a 30-40 minute presentation for each class, and was wondering if there are any interesting topics that tie QM and astro together... thus, one presentation...

Ok, so I need a topic to present. I am taking Quantum mechanics, introduction to astrophysics, and a seminar class... I need a topic for a 30-40 minute presentation for each class, and was wondering if there are any interesting topics that tie QM and astro together... thus, one presentation...

hey all, Has anyone got any suggestions for a good astrophysics starter text. Not to keen for a pop science book, more of a qualitative book. Regards

What kind of unsolved problems are there in astrophysics right now?