What is Latitude: Definition and 70 Discussions

In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface. Latitude is an angle (defined below) which ranges from 0° at the Equator to 90° (North or South) at the poles. Lines of constant latitude, or parallels, run east–west as circles parallel to the equator. Latitude is used together with longitude to specify the precise location of features on the surface of the Earth. On its own, the term latitude should be taken to be the geodetic latitude as defined below. Briefly, geodetic latitude at a point is the angle formed by the vector perpendicular (or normal) to the ellipsoidal surface from that point, and the equatorial plane. Also defined are six auxiliary latitudes that are used in special applications.

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  1. P

    Stationary satellite in high latitude

    Hi all, Is that possible that a stationary satellite be fixed to a location far from equator?
  2. M

    Mesh my data with latitude and longitude

    I want to put my data on a map with coastline but I don't know how to do it. my data has a value on each (lat, lon). I can draw the figure by surf command and indicate it's coordinate by using meshgrid. I want this figure contains coastline so I used hold on to keep the original figure and...
  3. S

    Gravity corrections- latitude correction

    i have i problem with many parts to it that the forums may be able to help me with. I've been given a scenario which involves gravity surveys along a path, in summary here it is: a gravity survey is taken at an initial latitude of 45 degrees and has an azimuth of 30 degrees. ive also been...
  4. U

    Questions of Latitude: Can You See the Back of Your Head?

    So I got to thinking about lines of latitude recently. Since the Earth is a sphere, that means that, at the equator, a person would have to walk pretty far to go all the way around the Earth. Now, as you head towards the North Pole, if you keep walking along the lines of latitude, you will...
  5. Peeter

    Geometric algebra: longitude and latitude rotor ordering?

    [SOLVED] geometric algebra: longitude and latitude rotor ordering? Was playing around with what is probably traditionally a spherical trig type problem using geometric algebra (locate satellite position using angle measurements from two well separated points). Origin of the problem was just me...
  6. J

    Latitude Longitude -> Polar Form -> Cartesian Coordinates

    [SOLVED] Latitude Longitude -> Polar Form -> Cartesian Coordinates Homework Statement I need to convert 46 Degrees North 80 Degrees west into Cartesian coordinates, based on the assumption that the Earth is a sphere (althought it's not). Homework Equations...
  7. P

    Calculating Distance Between Two Places Along 66° Latitude (Rhumb Line)

    Homework Statement Two places, A (66°N and 20°W) and B (66°N and 90°A). Find the distance between them if you go along the 66° latitude (rhumb line). Homework Equations The Attempt at a Solution The answer is 4972 km but I don´t know how to calculate this. Please help me.
  8. P

    Astronomy - Latitude and Longitude problem

    Homework Statement An airliner flies from London Heathrow (latitude 51^{o}30' N, longitude 0^{o} 10' W) to Tokyo Narita (latitude 35^{o} 40' N, longitude 139^{o} 45' E). Assuming that the Earth is spherical and the aeroplane takes a great circle route, a)what is the total distance flown...
  9. P

    What Driver is Needed for Internet Connection on a Dell Latitude D430?

    Hiya, I recently went out and got a new D430 and due to a hard disk failure I had to replace the drive. So I installed a fresh copy of XP-Pro sp2 and went on the hunt for the various drivers from the Dell website. I found all but one of them... I'm not sure what driver it is looking...
  10. C

    Understanding Coriolis Force Dependency on Latitude

    I need some help,... On the surface of the Earth a cartesian coordinate system _E will be installed at the latitude ϕ. The axes of the coordinate system are aligned as following: _x1-axis: points up _x2-axis: points north _x3-axis: points east The underscores in front of the variables...
  11. C

    MATLAB Reading Text File with Latitude, Longitude & Station Name

    Hi, I have a text file with 3 columns (latitude, longitude, & station name) and 51 rows. Using fscanf I am able to read the first row of the file but not the whole file. Any ideas of how to read to the end of a text file that contains both numbers and letters? This is what I have...
  12. P

    Variation of gravity with latitude

    When an observer stand on at the place with a angle "a" of the latitude, the observed value of the gravity will be affected by the motion of the rotation.SO what is the value of the obversed gravity at that time?
  13. G

    Calculating Distance between Pittsburgh and Miami | Earth Radius: 3960 miles

    Hey all. This seems simple enough but, my answer doesn't match the one on the textbook and I can't see where I'm doing something wrong. The city of pittsburg its at aproximatly 40.5 degrees and miami at 25.5 of the same meridian. Find the distance between the two cities. (earth radius is...
  14. Mk

    Temperature and Latitude: What Causes the Uneven Warming Across the Globe?

    http://data.giss.nasa.gov/gistemp/2005/2005cal_fig3.gif Why does the latitude-temperture graph look the way it does?
  15. A

    Interesting problem about latitude

    For a planet of radius a, find the area of the surface between the equator and latitude 60 degress north. This problem was posed to me way back in my calc II class. Instructor (somehow :wink: ) used series to solve it, then asked us if we could solve it differently. I only vaguely remember...
  16. T

    Any idea on latitude question?

    I have this problem here. Let's say: A plumb bob does not hang exactly along a line directed to the center of the Earth's rotation. How much does the plumb bob deviate from a radial line at 40 degrees north latitude if we assume that the Earth is spherical?
  17. C

    Calculating Distance with Latitude and Vectors: A Guide

    If you are given latitudes and longitudes of two cities and you want to find the magnitude of the displacement vector, how would you find the distance? Would you have to use the scalar product? Thanks
  18. R

    Latitude and longitude of the most northern point

    How would one find the latitude and longitude of the most northern point traveling from Vancouver to New York along the shortest path (great circle)?
  19. A

    Exploring Astronomy: How to Handle Magnitude & Latitude at 17

    hey guys.. well i am new in astronomy. kinda under age.. still 17 but soon i am going to get a new telescope and the problem is that i hear a lot about "magnitude" and "latitude" but the problem is that i don't know how to deal with so please i would appreciate if someone can help...
  20. S

    Equilibrium temperature as function of latitude

    Find the equilibrium temperature of the moon as a function of latitude assuming that the moon is a rapid rotater with an emissivity of 1, zero obliquity, and a bond albedo of 0.07. The only variable for this problem in the equation for equilibrium temperture is the distance from the Sun. If...
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