Astrophysics Definition and 845 Threads

Hi , what are the main astrophysical research topics these days , binary pulsars , black holes ? do you have any propositions ?? :)

Hi. I am currently a senior in highs chool and have already been accepted to a college [UMKC]. I was wondering if it would be beneficial for me to double major in Physics and Math. I am planning on going to grad school and getting a Ph.D in Astrophysics or theoretical physics. Would double...

I am currently a freshmen who is planning on getting a graduate degree in Physics, but specializing in Astrophysics. Since I am not going into this field for the money, I do not care if you are brutally honest with me ha ha. I was wondering if someone within this field has a percentage of...

Hi everyone, So I have always been interested in space, and when my college offered an intro to astrophysics course with no prerequisites, I jumped at the opportunity. I had already had a lower level astronomy/physics course, and physics and astronomy in high school, so I thought I'd be...

Hi, I have a 2.1 in BSc Astronomy and Philosophy and would like to do a PhD in Astrophysics. I am from the UK and my main concern is that the course would be fully funded. Does anyone know if I would be likely to get in/receive funding with only a 2.1 BSc, and if so, where would you recommend I...

Homework Statement If a star emits the same intensity of radiation at all visible wavelengths, what will be its apparent color at the Earth’s surface? Homework Equations No equations... The Attempt at a Solution I realize that a horizontal line would occur through the visible...

Homework Statement 2) If a relativistic rocket has a proper acceleration alpha that increases with proper time tau according to: alpha(tau) = 2/[Cosine(tau)^2 - Sine(tau)^2] find its motion, r(t), from the point of view of a control tower for whom the rocket is motionless at...

Homework Statement Helium is burnt via the triple alpha reaction: 3He4 -> C12 at a rate of \lambda3α(He4)3, where He4 denotes the number abundance of He4. Write the differential equation for He4 as a function of time. The Attempt at a Solution d(He4)/dt = production - destruction...

the idea is how hard would that be for me to continue a graduate degree in Astrophysics after having an undergraduate degree in Informatics Engineering? I know the best would be to have an undergraduate degree in Physics/Astronomy. but that's the situation

Hello, I'm not sure if this is the right section for this. I am going to be writing an extended essay in physics for the International Baccalaureate and am in the process of trying to decide upon a topic. In an earlier post I was wandering about quantum theory general relativity and string...

Hi, the name really says it all, I've been looking for good colleges that focus on astronomy and astrophysics, either or. The problem is that the college search sites really are not good at deciding between a college with astronomy, and a GOOD college with astronomy, one that has research, good...

hi, please anybody tell any reference book for astrophysics. i am interested to study celestial body and black hole. where it is available ?

Hello! I'm going to study astrophysics next year, we will study the most of basic stuff on the way (calculus etc as well). I have some basic knowledge of physics and astronomy, but totally forgot basic mathematics since I didn't pay enough attention in school (which I regret now). So what...

Does anyone know the best colleges for theortical astrophysics Thank YOU

A.) Assume a rectangular coord system has its origin at the center of an elliptical planetary orbit and that the coord system x-axis lies along the major axis of the ellipse. Show that the equation for the ellipse is given by x^2/a^2 + y^2/b^2 =1. where a and b are the lengths if the...

Hello, My name's Konrad (don't let the username fool you! haha). I'm currently a junior in Aeronautical Engineering (Embry-Riddle Aeronautical University) with a minor in Air Traffic Management. I was planning on just ending school with a Bachelors and going right out to work. However, I've...

Homework Statement I've got a radius of 22.69kpc, and a velocity of 180km/s. I wish to find the angular rotation speed in units of arcsec/year. I'm stuck at the moment The Attempt at a Solution Starting with the basic v=r\omega, I transpose to get \omega=v/r. For now, I'm going...

"The mathematics, is a unique perfect method to fool oneself" Albert Einstein You can object that in this phrase there is nothing new, practically all know that Albert Einstein was not a big fan of mathematics, evil tongues even said that the mathematical apparatus for the special theory...

Hello Everybody, It's been a very long time since i posted on here last but hopefully this is the start of a long-term involvement on this site. I'm trying to self-teach myself Astrophysics and so far I have gone through all the courses on th MIT OCW website that are "required subjects" for a...

guys to start with, i don't know why i took comp engg for my btech... coz i was never really interested... i was always into astronomy n astrophysics... i wish to pursue this interest of mine n therefore want to do an ms in astrophysics... is it a good decision... i want to work as well after...

Hi all, This is my first post to this forum, so allow me to introduce myself. I am a 28 year old person who is about to start a Phd in Machine learning with focus on graph theory. Now from my preliminary research, it seems that theory developed has a lot of use in computational biology...

Hi all, I have a B.Sc. and M.Eng. in Mechanical Engineering and I decided to switch to Astrophysics for my Ph.D. (for no reason other than following my passion). I still have a year or so before beginning the Ph.D program and I am willing to use this period to do some self study in Math to...

Edit: perhaps this might belong in one of the Physics help forums? Oops. Mods, please move if so! Homework Statement Show that a transit of Venus across the Sun’s disk lasts at most about 8 hours. The synodic period of Venus is 584 days and its orbital radius is 0.723 A.U. The Sun’s angular...

Aerospace? Or Astrophysics?! Hey people, I'm really confused as to what I should pursue for my undergraduate course in 2012 - Aerospace Engineering or Astrophysics? Both appeal and interest me equally, but considering the scope, difficulty of studying, job opportunities, pay, etc. after the...

Computer science in Astrophysics?? HI, I'm thinking of majoring in computer science specializing in software engineering, along with a major in astrophysics. My main focus is something in astrophysics (not sure yet), so I was wondering how important would it be get a Masters or PhD considering...

Hi all. I have been applying for graduate (research) studies in Astrophysics (I am interested in cosmology - CMB, SNIa, models...) at some UK universities - Imperial College, Durham, Glasgow, Manchester. All of them have research groups in the field of cosmology. So far I have received an...

Hello, Does anyone know of some good programs in Europe for a PhD in Astrophysics? I know England has some great school, however I believe they are rather competitive. What about France? Are there some well know Astrophysics programs there that I could look into? I've tried doing some...

I'm currently in my second year and I plan on completing a major in Astrophysics and math. I've just completed Vector calculus and next semester I'll be taking differential calculus. Next year I'll be taking computational mathematics, fluid dynamics and PDEs. Are there any additional maths...

It seems like there are more females in astrophysics than in physics. But how does the ratio play out in grad school? Is it different in tier 1 schools than it is in tier 2 or 3 schools? Are there more females in certain fields, like astrobiology? Why are fields like astrophysics "friendlier" to...

Hello all, This is my issue. I did my undergrad in Physics. After finishing I decided I was done with "pure" physics. I wanted to do something more practical so I went into a Masters in Medical Physics. I quickly realized, that although I don't find it un-interesting, I don't feel much of...

Hi all I have recently completed my BSc (Hons) in physics (got first-class honours) and am considering my options. I would like to go on and study for a PhD on a topic relating to exoplanets, and can't decide whether to do an MSc first or whether to go straight for a PhD. Reasons for going...

Which fields of physics have relatively high demand and relatively low student interest? (especially among strong students?) I'm especially interested about astrophysics. Does computational astrophysics have high demand among strong students? What about astrobiology? The reason I'm asking...

I passed my A levels in Physics, Maths And Further Maths AAB, and am really fascinated about Astrophysics, so i thought i might be up to the challenge. However i was curious as to whether it would be possible to get a masters in some sort of Engineering, with an undergrad degree in Astrophysics...

Physics vs Astrophysics as a 4yr major :) Hello, I am currently working on my AAS in Physics and am aspiring to be an Astronomer. The area that I live in does not have any colleges which have astrophysics as a major. I will be transferring to a University in a year or so to complete my...

Astrophysics is an observational science. When there is observational data in published papers that distinguishes between one theory and another, typically science changes. There are published papers that describe the competing theory. Science is not an opinion poll. There must be logical...

Hello everybody, I have a question that I've been thinking about for a long time and I'm looking for some advice. I'm currently a junior at a university in California and I'm about to declare my major. Throughout my whole life I knew that it would be astrophysics, but I've taken 5 astronomy...

Hello, I have a question from the Dutch Astrophysics Olympiad, which I can't solve. " Is there mathematical proof that stars are still being formed? " In previous questions, i had to derive the following equations, which i need to use in my answer for the question above: L = σ * T4 * 4πR2...

I am a high school student that has been taking astrophysics and astronomy as an independent study for the last couple of months. I would appreciate any recommendations on books that would better my understanding of the topics. The following are a few of the books that I already own. 1. The...

I've recently been reading articles (primarily wikipedia) about different plants, their sizes, and all elements required in the identification of certain stars, constellations etc. I'd like to learn more but simply visiting pages on Wikipedia endlessly for hours won't accumulate much aside from...

hello, is there a book that give the proof about how to get the equations of time and the related topics like sun rise time and sun set time and other famous times (sorry i don't know the translation of it in english).

hello all, what is the difference between ASTRONOMY and ASTROPHYSICS? thank you in advance.

currently, I am a freshman majoring in mechanical engineering. but, I've always had a strong interest in astronomy and astrophysics. i was thinking about switching to astrophysics, but also think it might be a bad idea - that it would be better to just keep astronomy as a hobby. is there any...

hey,,i am a mechatronics student but i'd like to learn astrophysics and astronomy but as selfstudy so any help where i can start,,,any online tutorials or references that could be helpful and which i can understand on my own

Hello everyone I'm attending first year of the danish Gymnasium and do feel seriously mathematically impaired, however i find especially astrophysics very interesting, and would like to know something about it. It should be said that my mathematical ability is absolutly stretched at the...

I'm hoping someone can recommend a couple of good books on some varied topics. I'm looking for a good, mature series of books on the planets or even one good book covering them all. I'm also looking for interesting reads on cosmology, solar physics and galaxies. If anyone can recommend some...

Hi there! Long time lurker first time poster. I have to choose a major this year and I was looking at Astrophysics (yes, it is a major at my university) however I was reading the university handbook and in 3rd year (I'm entering my second year now) I have to choose between theoretical and...

Hi everyone, I'm a 2nd year astrophysics and math student and considering the possibility of pursuing a phd in astrophysics. I'm more interested in theory rather than the observational side of astrophysics. I've heard that grad programs tend to see research experience as much more important...

I'm interested in going to grad school for astrophysics. I've loved everything about the subject for many years now. At first I thought it was just a hobby interest, but I think it may have crossed the line and become a career interest. The only problem with this is that I'm in my senior year in...

I'm transferring schools for the fall of 2010, and one of the schools that I'm looking into offers a B.S. in Physics and a separate B.S. in Astronomy. The other school I'm looking into offers only a B.S. in Physics, though they say I can take elective courses in Astronomy. Basically, I want to...

What exactly are the differences between Astronomy, Astrophysics, Cosmology, Planetary Science?