Threads Tagged with sun Thread / Thread Starter Last Post Replies Views Forum Hey! Some time ago i saw this video: And, although i'm a comp sci guy and did studied physics on the first two... Sep26-13 03:42 AM Drakkith 11 848 General Physics Ok can someone tell me if I am wrong in my understanding here (in a heated debate with a physics professor) : As you... Jun22-13 10:15 AM brains3234 10 1,543 General Astronomy I am looking for a material that will change colors depending on how long it is in the sunlight. Any thoughts? Jun18-13 06:29 PM sophiecentaur 6 599 General Physics Hi, I was wondering what the diffraction pattern would be like if the suns light is diffracted through a pin hole... Apr29-13 10:08 AM technician 20 863 General Physics Are we just really lucky that the time it takes for earth to orbit the sun is 365.25 days? I mean if it was something... Apr27-13 06:41 PM Dumiaty 12 1,434 Astrophysics 1. The problem statement, all variables and given/known data Calculate the relative change in the distance of the... Feb26-13 04:56 AM Numeriprimi 4 386 Introductory Physics Homework I'm recently studying heat transfer processes. I saw that the heat current emited by a radiating body is given by: ... Feb3-13 08:07 AM tiny-tim 2 432 Classical Physics 1. The problem statement, all variables and given/known data I need to what the escape speed from the sun to... Jan7-13 02:51 AM voko 3 439 Introductory Physics Homework I just watched the first 10 minutes of a documentary that seemed to touch on Walter Crutenberg's premise of our Sun... Dec10-12 07:36 PM D H 3 1,279 Astrophysics Imagine a big superfluid cloud the size of the Moon, at the same distance of the Moon in front of the Sun. A total... Nov30-12 08:45 AM phinds 6 625 General Physics 1. The problem statement, all variables and given/known data What is the apparent magnitude of a 100W light bulb at... Nov14-12 04:41 PM collinsmark 1 562 Introductory Physics Homework I just need someone to double check my answer and confirm they get the same answer as I do. Thanks. Question: Find... Oct29-12 07:11 PM PeterO 5 1,082 Introductory Physics Homework May be this question has been asked multiple times here i was just unable to search it by topic or search term. The... Oct23-12 03:31 PM Naty1 14 8,631 Classical Physics This is a question about electromagnetic waves and gravitational waves. Let's say we're on the Earth and we're... Oct12-12 04:16 AM Drakkith 13 1,329 General Physics Hey everyone. Let me preface this by saying, I love physics and astronomy, but am by no stretch an expert in either... Sep17-12 12:50 AM twofish-quant 8 1,432 Astrophysics 1. The surface temperature of the sun is approximately 5800K. Given that the radius of the sun is 6.96x108m calculate... Aug17-12 12:28 PM lewando 1 648 Introductory Physics Homework Hi, I'm building a solar system simulator, designing it to be as accurate as possible. Visualization is done... Jun2-12 06:51 PM Geometrian 0 840 Astrophysics I thought of this today.... Suppose a solid rod of diamond (so there would be no slack) existed that extended from... May14-12 12:30 AM twofish-quant 12 2,401 General Astronomy Hello again everyone, Physics Noob is back again. I had a question about solar formation that has me stumped. If... May2-12 03:29 PM Drakkith 4 1,008 Astrophysics Assuming you could put two mirrors (one half-silvered) into the chromosphere, stationary, without them... Apr30-12 11:42 AM mfb 2 938 Astrophysics 1. The problem statement, all variables and given/known data A)Calculate the magnitude of the angular momentum of the... Apr21-12 01:22 PM tms 5 5,248 Introductory Physics Homework As I understand it, our Sun formed as part of a cluster of stars, whose members have probably long since drifted... Apr18-12 10:26 PM Sean Pan 12 3,203 General Astronomy Hello! I just want to humbly ask how do scientists and agencies like NASA, ESA, etc. monitor the activity of our Sun?... Feb25-12 12:38 PM pbrekke 9 3,255 General Astronomy In South Pole, In which direction will the sun rise? Feb22-12 07:06 PM Chronos 3 1,498 General Astronomy First of all, I apologize if this is not the right place - it's my first post (although I've lurked for a while),... Feb19-12 11:15 PM Drakkith 5 1,875 Astrophysics Why does the Earth orbit the Sun, but the Moon pull on Earth's tides? Earth orbits the sun, proving that the Sun has... Feb5-12 09:02 PM Drakkith 26 3,998 Astrophysics I am trying to find the focal length of a convex lens, so i let the sun shine through my window to create an image on... Jan1-12 02:56 PM Yesofcourse 4 3,126 General Physics I want to find the rotational energy of the sun. Erot=1/2*I*ω2 m=1.9891*10^30 kg r=6.955*10^5 km When Im... Dec16-11 06:29 PM AndersLau 2 1,133 Introductory Physics Homework Why does the sun have dark spots on it (sunspots)? Dec16-11 04:53 AM The1337gamer 6 2,270 Astrophysics I am a 17 year old high school student in Alabama, and after my astronomy test today, I decided to calculate the mass... Dec7-11 07:06 PM coolcalx 0 1,187 General Physics 1. The problem statement, all variables and given/known data Given the following data, calculate the main sequence... Nov20-11 08:01 PM constantinou1 2 2,769 Introductory Physics Homework My son is a 3rd grader and wanted to do a science fair project on solar cells. So we devised an experiment to see if... Nov16-11 06:15 AM Drakkith 16 2,242 General Physics 1. The problem statement, all variables and given/known data It can be assumed that the Earth, to a good... Oct2-11 12:14 PM xxabr 2 522 Introductory Physics Homework Would a star that is too small to go supernova (Sol or Alpha Centauri) still go supernova if its core somehow... Aug18-11 11:32 AM Ken G 11 2,911 Astrophysics Hi, I have a peculiar query, including theories of light, Sun's speed and movement. Following is the query : ... Jul23-11 05:04 PM alankar 10 2,939 General Astronomy In the temperate latitudes of the northern hemisphere, the sun is due south when it reaches the highest point in the... Jun6-11 05:12 PM mathman 1 1,466 Astrophysics I read in a paper the following passage: "We take the sun to subtend a linear angle of 32 arc-minutes. The solid... May30-11 08:10 PM haruspex 4 9,762 Classical Physics Hello! could you help me with this? I´m from biology field and have some difficulties with the following calculation:... May16-11 05:41 AM Zellbiologie 2 1,868 General Physics 1. The problem statement, all variables and given/known data This is a past exam question that I am trying to get my... May7-11 06:01 PM hfitzgerald 0 1,015 Advanced Physics Homework Last semester in my astronomy class, we tried to find an equation that would fit the path of the sun based on... Mar22-11 03:10 AM alech4466 2 2,308 Astrophysics