Friday, November 17, 2023

solar system

solar system

  1. C# Class for Calculating Sunrise and Sunset Times

    2. A class for calculating sunrise and sunset times, implemented as a thread-safe Singleton

  2. Sunrise/Sunset Calculations

    3. Code to help calculate sunrise and sunset times

  3. Sidreal Time Calculator

    4. A sidereal time calculator for Windows Phone

  4. World Time

    5. Displays current time in various timezones. Also demonstrates some Win32 API programming tricks.

  5. The Equation of Time

    6. Or why isn’t the earliest sunset on the year’s shortest day?

    Video

  6. A More Approximate Position of the Planets using JPL Ephemerides (Spirographs!!)

    7. Here I use some software I created on Github to plot the orbits of the planets and make some nice videos to watch and enjoy. I hope you enjoy this as well.

  7. How to calculate sidereal time

    8. 32,867 views Mar 1, 2012 This animation explains how sidereal time is calculated. You can find out more about how sidereal time is used in astronomy and WJ Macdonnell’s telescope at the National Museum of Australia

  8. 0:12 / 13:03 Celestial Coordinates

    9. Celestial Coordinates

  9. Astronomical Coordinates

    10. Describes the various coordinate systems used by astronomers, with a focus on the celestial coordinate system used in astronomical catalogues (also called equatorial coordinates) and how these are transformed to an azimuth and altitude (also know as an elevation).

  10. Right Ascension and Declination, explained. (RA and DEC celestial Coordinates in Astronomy)

    11. How to use setting circles on a budget telescope? What is RA and DEC on a telescope? How to use Right Ascension and Declination?
    Understanding how to use right ascension (RA) and declination (DEC) setting circles on the equatorial mount telescope. This video tries to simplify this confusing part for most amateur astronomers.

  11. Right Ascension and Declination Explained!

    12. Universal Equatorial Coordinates take the origin of Vernal Equinox which gives us a constant coordinate system that doesn't change as the earth rotates, but since the Vernal equinox itself is a position on the celestial sphere. So it rotates with the sky. The two coordinates of the Universal system are

  12. Astro Tutorial #1.4 (old version): Coordinate Systems of the night sky - ALT/AZ vs RA/DEC

    13. Today we discuss following items: a) the nomenclature of important points and plains b) coordinate systems of the night sky c) finding stars with their coordinates in both systems

  13. Terrestrial/Celestial Spheres Coordinate Systems Tutorial

    14. Working on it... This video explains the coordinate systems used in celestial navigation, with an overview of the terrestrial and celestial spheres. This video is part of a series that teaches celestial navigation using techniques that have been used for centuries. In this course, you will learn some basics needed to find your location using a sextant and elementary math. This course is free and available to everyone, and should take less than two hours to complete.

  14. Equation of Time

    15. The equation of time describes how the difference between the "natural time" kept by a sundial changes over the year, due to the changing length of the solar day.

  15. Introductory Astronomy: Path of the Sun in the Daytime Sky

    16. Video lecture on how the Sun's path is different throughout the year. This video refers to the lecture tutorial "Path of the Sun" from "Lecture Tutorials for Introductory Astronomy" by Prather, et al.

  16. Introductory Astronomy: Positions on the Celestial Sphere

    17. Introductory Astronomy lecture on the celestial sphere and how to start thinking of horizon diagrams. Refers to tutorial 1 ("Position") from "Lecture Tutorials for Introductory Astronomy".

  17. 0:04 / 5:49 Solar Geometry- How to read a sun-path diagram

    18. An introduction into Solar Geometry and basics of sun-path diagram

  18. 0:35 / 18:40 Sun Path Charts

    19. This lecture introduces sun path charts and how to use them to determine the general position of the sun at a given date and time. Along the way we'll discuss the difference between solar time and standard time. Finally, we'll briefly mention the use of sun path charts in shading analysis for a PV array.

  19. The Earth's Sun Angle

    20. @keegancan 2 years ago Great video, and great heat lamp comparison. I actually recreated an image in my mind of the heat lamps by having the heat lamps tilting at an angle and noticing that the foods would have varying amounts of heat.

  20. ASTR 503 - Class 1 - Video 1 - Celestial sphere: Definitions and Equatorial Coordinates

  21. ASTR 503 - Class 1 - Video 2 - Celestial sphere: Horizontal Coordinates

  22. ASTR 503 - Class 1 - Video 3 - Celestial Sphere: Ecliptic Coordinates

  23. ASTR 503 - Class 1 - Video 4 - Celestial Sphere: Hour Coordinates and Galactic coordinates

  24. ASTR 305 - Class 2 - Video 3 : Motions in the sky

  25. SPHERICAL TRIGONOMETRY:INTRODUCTION

    26. SPHERICAL TRIGONOMETRY : = INTRODUCTION = PLANE TRIGONOMETRY = GREAT CIRCLE = SMALL CIRCLE = SPHERICAL TRIANGLE = SYMMETRICAL SPHERICAL TRIANGLES .

  26. Celestial Sphere - altitude/azimuth

  27. Azimuths

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